Add frozen_string_literal to spec/servicesfrozen_string_literal_spec_services

Probably useful as we often move these files to "new" files.

233 files changed, 466 insertions, 0 deletions

diff --git a/spec/services/access_token_validation_service_spec.rb b/spec/services/access_token_validation_service_spec.rb
index 38a3f522504..b2a8da6c4c6 100644
--- a/spec/services/access_token_validation_service_spec.rb
+++ b/spec/services/access_token_validation_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe AccessTokenValidationService do
diff --git a/spec/services/application_settings/update_service_spec.rb b/spec/services/application_settings/update_service_spec.rb
index 258e5635113..a641828faa5 100644
--- a/spec/services/application_settings/update_service_spec.rb
+++ b/spec/services/application_settings/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ApplicationSettings::UpdateService do
diff --git a/spec/services/auth/container_registry_authentication_service_spec.rb b/spec/services/auth/container_registry_authentication_service_spec.rb
index c9d85e96750..e24fe60f059 100644
--- a/spec/services/auth/container_registry_authentication_service_spec.rb
+++ b/spec/services/auth/container_registry_authentication_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Auth::ContainerRegistryAuthenticationService do
diff --git a/spec/services/base_count_service_spec.rb b/spec/services/base_count_service_spec.rb
index 090b2dcdd43..275bec9982d 100644
--- a/spec/services/base_count_service_spec.rb
+++ b/spec/services/base_count_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe BaseCountService, :use_clean_rails_memory_store_caching do
diff --git a/spec/services/boards/create_service_spec.rb b/spec/services/boards/create_service_spec.rb
index a715261cd6c..7d4fb04c6c0 100644
--- a/spec/services/boards/create_service_spec.rb
+++ b/spec/services/boards/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::CreateService do
diff --git a/spec/services/boards/issues/create_service_spec.rb b/spec/services/boards/issues/create_service_spec.rb
index f0179e35652..33637419f83 100644
--- a/spec/services/boards/issues/create_service_spec.rb
+++ b/spec/services/boards/issues/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::Issues::CreateService do
diff --git a/spec/services/boards/issues/list_service_spec.rb b/spec/services/boards/issues/list_service_spec.rb
index aaad29536af..40878e24cb4 100644
--- a/spec/services/boards/issues/list_service_spec.rb
+++ b/spec/services/boards/issues/list_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::Issues::ListService do
diff --git a/spec/services/boards/issues/move_service_spec.rb b/spec/services/boards/issues/move_service_spec.rb
index 6020f0771e5..16e2a2fba6b 100644
--- a/spec/services/boards/issues/move_service_spec.rb
+++ b/spec/services/boards/issues/move_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::Issues::MoveService do
diff --git a/spec/services/boards/list_service_spec.rb b/spec/services/boards/list_service_spec.rb
index 7518e9e9b75..c9d372ea166 100644
--- a/spec/services/boards/list_service_spec.rb
+++ b/spec/services/boards/list_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::ListService do
diff --git a/spec/services/boards/lists/create_service_spec.rb b/spec/services/boards/lists/create_service_spec.rb
index 7d3f5f86deb..295ec2c8156 100644
--- a/spec/services/boards/lists/create_service_spec.rb
+++ b/spec/services/boards/lists/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::Lists::CreateService do
diff --git a/spec/services/boards/lists/destroy_service_spec.rb b/spec/services/boards/lists/destroy_service_spec.rb
index 3c4eb6b3fc5..b936ef3837f 100644
--- a/spec/services/boards/lists/destroy_service_spec.rb
+++ b/spec/services/boards/lists/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::Lists::DestroyService do
diff --git a/spec/services/boards/lists/generate_service_spec.rb b/spec/services/boards/lists/generate_service_spec.rb
index 82dbd1ee744..77b42392470 100644
--- a/spec/services/boards/lists/generate_service_spec.rb
+++ b/spec/services/boards/lists/generate_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::Lists::GenerateService do
diff --git a/spec/services/boards/lists/list_service_spec.rb b/spec/services/boards/lists/list_service_spec.rb
index 24e04eed642..2ebfd295fa2 100644
--- a/spec/services/boards/lists/list_service_spec.rb
+++ b/spec/services/boards/lists/list_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::Lists::ListService do
diff --git a/spec/services/boards/lists/move_service_spec.rb b/spec/services/boards/lists/move_service_spec.rb
index 16dfb2ae6af..f8fc70ef2d6 100644
--- a/spec/services/boards/lists/move_service_spec.rb
+++ b/spec/services/boards/lists/move_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Boards::Lists::MoveService do
diff --git a/spec/services/chat_names/authorize_user_service_spec.rb b/spec/services/chat_names/authorize_user_service_spec.rb
index d88b2504133..41cbac4e8e9 100644
--- a/spec/services/chat_names/authorize_user_service_spec.rb
+++ b/spec/services/chat_names/authorize_user_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ChatNames::AuthorizeUserService do
diff --git a/spec/services/chat_names/find_user_service_spec.rb b/spec/services/chat_names/find_user_service_spec.rb
index 5734b10109a..9d26f98cd56 100644
--- a/spec/services/chat_names/find_user_service_spec.rb
+++ b/spec/services/chat_names/find_user_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ChatNames::FindUserService, :clean_gitlab_redis_shared_state do
diff --git a/spec/services/ci/archive_trace_service_spec.rb b/spec/services/ci/archive_trace_service_spec.rb
index 8e9cb65f3bc..44a77c29086 100644
--- a/spec/services/ci/archive_trace_service_spec.rb
+++ b/spec/services/ci/archive_trace_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::ArchiveTraceService, '#execute' do
diff --git a/spec/services/ci/compare_test_reports_service_spec.rb b/spec/services/ci/compare_test_reports_service_spec.rb
index a26c970a8f0..f5edd3a552d 100644
--- a/spec/services/ci/compare_test_reports_service_spec.rb
+++ b/spec/services/ci/compare_test_reports_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::CompareTestReportsService do
diff --git a/spec/services/ci/create_pipeline_service_spec.rb b/spec/services/ci/create_pipeline_service_spec.rb
index 101b91e9cd8..6f8a76e9d56 100644
--- a/spec/services/ci/create_pipeline_service_spec.rb
+++ b/spec/services/ci/create_pipeline_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::CreatePipelineService do
diff --git a/spec/services/ci/destroy_expired_job_artifacts_service_spec.rb b/spec/services/ci/destroy_expired_job_artifacts_service_spec.rb
index 80d82ba3ac9..fc5450ab33d 100644
--- a/spec/services/ci/destroy_expired_job_artifacts_service_spec.rb
+++ b/spec/services/ci/destroy_expired_job_artifacts_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::DestroyExpiredJobArtifactsService, :clean_gitlab_redis_shared_state do
diff --git a/spec/services/ci/ensure_stage_service_spec.rb b/spec/services/ci/ensure_stage_service_spec.rb
index d17e30763d7..43bbd2130a4 100644
--- a/spec/services/ci/ensure_stage_service_spec.rb
+++ b/spec/services/ci/ensure_stage_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::EnsureStageService, '#execute' do
diff --git a/spec/services/ci/extract_sections_from_build_trace_service_spec.rb b/spec/services/ci/extract_sections_from_build_trace_service_spec.rb
index 28f2fa7903a..03c67c611fe 100644
--- a/spec/services/ci/extract_sections_from_build_trace_service_spec.rb
+++ b/spec/services/ci/extract_sections_from_build_trace_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::ExtractSectionsFromBuildTraceService, '#execute' do
diff --git a/spec/services/ci/pipeline_trigger_service_spec.rb b/spec/services/ci/pipeline_trigger_service_spec.rb
index f4ff818c479..76251b5b557 100644
--- a/spec/services/ci/pipeline_trigger_service_spec.rb
+++ b/spec/services/ci/pipeline_trigger_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::PipelineTriggerService do
diff --git a/spec/services/ci/play_build_service_spec.rb b/spec/services/ci/play_build_service_spec.rb
index 330ec81e87d..634f865e2d8 100644
--- a/spec/services/ci/play_build_service_spec.rb
+++ b/spec/services/ci/play_build_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::PlayBuildService, '#execute' do
diff --git a/spec/services/ci/process_pipeline_service_spec.rb b/spec/services/ci/process_pipeline_service_spec.rb
index 6674d89518e..cadb519ccee 100644
--- a/spec/services/ci/process_pipeline_service_spec.rb
+++ b/spec/services/ci/process_pipeline_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::ProcessPipelineService, '#execute' do
diff --git a/spec/services/ci/register_job_service_spec.rb b/spec/services/ci/register_job_service_spec.rb
index 20181387612..874945c8585 100644
--- a/spec/services/ci/register_job_service_spec.rb
+++ b/spec/services/ci/register_job_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 module Ci
diff --git a/spec/services/ci/retry_build_service_spec.rb b/spec/services/ci/retry_build_service_spec.rb
index 17e2b17a499..fc630b7098a 100644
--- a/spec/services/ci/retry_build_service_spec.rb
+++ b/spec/services/ci/retry_build_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::RetryBuildService do
diff --git a/spec/services/ci/retry_pipeline_service_spec.rb b/spec/services/ci/retry_pipeline_service_spec.rb
index 75042b29bea..e42de3cd48f 100644
--- a/spec/services/ci/retry_pipeline_service_spec.rb
+++ b/spec/services/ci/retry_pipeline_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::RetryPipelineService, '#execute' do
diff --git a/spec/services/ci/run_scheduled_build_service_spec.rb b/spec/services/ci/run_scheduled_build_service_spec.rb
index be2aad33ef4..ab8d9f4ba2e 100644
--- a/spec/services/ci/run_scheduled_build_service_spec.rb
+++ b/spec/services/ci/run_scheduled_build_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::RunScheduledBuildService do
diff --git a/spec/services/ci/stop_environments_service_spec.rb b/spec/services/ci/stop_environments_service_spec.rb
index cdd3d851f61..31b8d540356 100644
--- a/spec/services/ci/stop_environments_service_spec.rb
+++ b/spec/services/ci/stop_environments_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::StopEnvironmentsService do
diff --git a/spec/services/ci/update_build_queue_service_spec.rb b/spec/services/ci/update_build_queue_service_spec.rb
index ca0c6be5da6..4b869385128 100644
--- a/spec/services/ci/update_build_queue_service_spec.rb
+++ b/spec/services/ci/update_build_queue_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::UpdateBuildQueueService do
diff --git a/spec/services/ci/update_runner_service_spec.rb b/spec/services/ci/update_runner_service_spec.rb
index 7cc04c92d27..2b07dad7248 100644
--- a/spec/services/ci/update_runner_service_spec.rb
+++ b/spec/services/ci/update_runner_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Ci::UpdateRunnerService do
diff --git a/spec/services/clusters/applications/check_ingress_ip_address_service_spec.rb b/spec/services/clusters/applications/check_ingress_ip_address_service_spec.rb
index 80fc48d1b07..84bca76e69b 100644
--- a/spec/services/clusters/applications/check_ingress_ip_address_service_spec.rb
+++ b/spec/services/clusters/applications/check_ingress_ip_address_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Clusters::Applications::CheckIngressIpAddressService do
diff --git a/spec/services/clusters/applications/check_installation_progress_service_spec.rb b/spec/services/clusters/applications/check_installation_progress_service_spec.rb
index 1cca89d31d7..8ad90aaf720 100644
--- a/spec/services/clusters/applications/check_installation_progress_service_spec.rb
+++ b/spec/services/clusters/applications/check_installation_progress_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Clusters::Applications::CheckInstallationProgressService, '#execute' do
diff --git a/spec/services/clusters/applications/install_service_spec.rb b/spec/services/clusters/applications/install_service_spec.rb
index db0c33a95b2..494c5892210 100644
--- a/spec/services/clusters/applications/install_service_spec.rb
+++ b/spec/services/clusters/applications/install_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Clusters::Applications::InstallService do
diff --git a/spec/services/clusters/create_service_spec.rb b/spec/services/clusters/create_service_spec.rb
index 274880f2c49..ecf0a9c9dce 100644
--- a/spec/services/clusters/create_service_spec.rb
+++ b/spec/services/clusters/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Clusters::CreateService do
diff --git a/spec/services/clusters/gcp/fetch_operation_service_spec.rb b/spec/services/clusters/gcp/fetch_operation_service_spec.rb
index 55f123ee786..23da8004a7d 100644
--- a/spec/services/clusters/gcp/fetch_operation_service_spec.rb
+++ b/spec/services/clusters/gcp/fetch_operation_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Clusters::Gcp::FetchOperationService do
diff --git a/spec/services/clusters/gcp/provision_service_spec.rb b/spec/services/clusters/gcp/provision_service_spec.rb
index c0bdac40938..dfd15690a1f 100644
--- a/spec/services/clusters/gcp/provision_service_spec.rb
+++ b/spec/services/clusters/gcp/provision_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Clusters::Gcp::ProvisionService do
diff --git a/spec/services/clusters/gcp/verify_provision_status_service_spec.rb b/spec/services/clusters/gcp/verify_provision_status_service_spec.rb
index 2ee2fa51f63..9611b2080ba 100644
--- a/spec/services/clusters/gcp/verify_provision_status_service_spec.rb
+++ b/spec/services/clusters/gcp/verify_provision_status_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Clusters::Gcp::VerifyProvisionStatusService do
diff --git a/spec/services/clusters/update_service_spec.rb b/spec/services/clusters/update_service_spec.rb
index b2e6ebecd4a..21b37f88fd8 100644
--- a/spec/services/clusters/update_service_spec.rb
+++ b/spec/services/clusters/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Clusters::UpdateService do
diff --git a/spec/services/cohorts_service_spec.rb b/spec/services/cohorts_service_spec.rb
index 77595d7ba2d..2c012f080dd 100644
--- a/spec/services/cohorts_service_spec.rb
+++ b/spec/services/cohorts_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe CohortsService do
diff --git a/spec/services/compare_service_spec.rb b/spec/services/compare_service_spec.rb
index 9e15eae8c13..0e4ef69ec19 100644
--- a/spec/services/compare_service_spec.rb
+++ b/spec/services/compare_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe CompareService do
diff --git a/spec/services/create_branch_service_spec.rb b/spec/services/create_branch_service_spec.rb
index 38096a080a7..0d34c7f9a82 100644
--- a/spec/services/create_branch_service_spec.rb
+++ b/spec/services/create_branch_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe CreateBranchService do
diff --git a/spec/services/create_snippet_service_spec.rb b/spec/services/create_snippet_service_spec.rb
index b6ab6b8271c..f6b6989b955 100644
--- a/spec/services/create_snippet_service_spec.rb
+++ b/spec/services/create_snippet_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe CreateSnippetService do
diff --git a/spec/services/delete_branch_service_spec.rb b/spec/services/delete_branch_service_spec.rb
index 9c9fba030e7..43a70d33d2d 100644
--- a/spec/services/delete_branch_service_spec.rb
+++ b/spec/services/delete_branch_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DeleteBranchService do
diff --git a/spec/services/delete_merged_branches_service_spec.rb b/spec/services/delete_merged_branches_service_spec.rb
index 0de02576203..dffc2bd93ee 100644
--- a/spec/services/delete_merged_branches_service_spec.rb
+++ b/spec/services/delete_merged_branches_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DeleteMergedBranchesService do
diff --git a/spec/services/deploy_keys/create_service_spec.rb b/spec/services/deploy_keys/create_service_spec.rb
index 7a604c0cadd..a55f1561194 100644
--- a/spec/services/deploy_keys/create_service_spec.rb
+++ b/spec/services/deploy_keys/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DeployKeys::CreateService do
diff --git a/spec/services/deploy_tokens/create_service_spec.rb b/spec/services/deploy_tokens/create_service_spec.rb
index 1bd0356a73b..886ffd4593d 100644
--- a/spec/services/deploy_tokens/create_service_spec.rb
+++ b/spec/services/deploy_tokens/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe DeployTokens::CreateService do
diff --git a/spec/services/discussions/resolve_service_spec.rb b/spec/services/discussions/resolve_service_spec.rb
index 4e0d4749239..5b99430cb75 100644
--- a/spec/services/discussions/resolve_service_spec.rb
+++ b/spec/services/discussions/resolve_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Discussions::ResolveService do
diff --git a/spec/services/discussions/update_diff_position_service_spec.rb b/spec/services/discussions/update_diff_position_service_spec.rb
index 2b84206318f..60ec83e9062 100644
--- a/spec/services/discussions/update_diff_position_service_spec.rb
+++ b/spec/services/discussions/update_diff_position_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Discussions::UpdateDiffPositionService do
diff --git a/spec/services/emails/confirm_service_spec.rb b/spec/services/emails/confirm_service_spec.rb
index 2b2c31e2521..6a274ca9dfe 100644
--- a/spec/services/emails/confirm_service_spec.rb
+++ b/spec/services/emails/confirm_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Emails::ConfirmService do
diff --git a/spec/services/event_create_service_spec.rb b/spec/services/event_create_service_spec.rb
index 443665c9959..9f2c3fec62c 100644
--- a/spec/services/event_create_service_spec.rb
+++ b/spec/services/event_create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe EventCreateService do
diff --git a/spec/services/events/render_service_spec.rb b/spec/services/events/render_service_spec.rb
index 075cb45e46c..a623a05a56d 100644
--- a/spec/services/events/render_service_spec.rb
+++ b/spec/services/events/render_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Events::RenderService do
diff --git a/spec/services/files/create_service_spec.rb b/spec/services/files/create_service_spec.rb
index 751b7160276..195f56a2909 100644
--- a/spec/services/files/create_service_spec.rb
+++ b/spec/services/files/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Files::CreateService do
diff --git a/spec/services/files/delete_service_spec.rb b/spec/services/files/delete_service_spec.rb
index 309802ce733..b849def06fc 100644
--- a/spec/services/files/delete_service_spec.rb
+++ b/spec/services/files/delete_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Files::DeleteService do
diff --git a/spec/services/files/multi_service_spec.rb b/spec/services/files/multi_service_spec.rb
index 6842fa9f435..0f51c72019e 100644
--- a/spec/services/files/multi_service_spec.rb
+++ b/spec/services/files/multi_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Files::MultiService do
diff --git a/spec/services/files/update_service_spec.rb b/spec/services/files/update_service_spec.rb
index 23db35c2418..37869b176ef 100644
--- a/spec/services/files/update_service_spec.rb
+++ b/spec/services/files/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Files::UpdateService do
diff --git a/spec/services/git/branch_hooks_service_spec.rb b/spec/services/git/branch_hooks_service_spec.rb
index bb87267db7d..4895e762602 100644
--- a/spec/services/git/branch_hooks_service_spec.rb
+++ b/spec/services/git/branch_hooks_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Git::BranchHooksService do
diff --git a/spec/services/git/branch_push_service_spec.rb b/spec/services/git/branch_push_service_spec.rb
index 322e40a8112..ad21f710833 100644
--- a/spec/services/git/branch_push_service_spec.rb
+++ b/spec/services/git/branch_push_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Git::BranchPushService, services: true do
diff --git a/spec/services/git/tag_hooks_service_spec.rb b/spec/services/git/tag_hooks_service_spec.rb
index 8f91ce3b4c5..f4c02932f98 100644
--- a/spec/services/git/tag_hooks_service_spec.rb
+++ b/spec/services/git/tag_hooks_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Git::TagHooksService, :service do
diff --git a/spec/services/git/tag_push_service_spec.rb b/spec/services/git/tag_push_service_spec.rb
index 5e89a912060..418952b52da 100644
--- a/spec/services/git/tag_push_service_spec.rb
+++ b/spec/services/git/tag_push_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Git::TagPushService do
diff --git a/spec/services/gpg_keys/create_service_spec.rb b/spec/services/gpg_keys/create_service_spec.rb
index 1cd2625531e..8dfc9f19439 100644
--- a/spec/services/gpg_keys/create_service_spec.rb
+++ b/spec/services/gpg_keys/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe GpgKeys::CreateService do
diff --git a/spec/services/gravatar_service_spec.rb b/spec/services/gravatar_service_spec.rb
index d2cc53fe0ee..9ce1df0f76f 100644
--- a/spec/services/gravatar_service_spec.rb
+++ b/spec/services/gravatar_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe GravatarService do
diff --git a/spec/services/groups/create_service_spec.rb b/spec/services/groups/create_service_spec.rb
index fe6a8691ae0..54836c9adbf 100644
--- a/spec/services/groups/create_service_spec.rb
+++ b/spec/services/groups/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Groups::CreateService, '#execute' do
diff --git a/spec/services/groups/destroy_service_spec.rb b/spec/services/groups/destroy_service_spec.rb
index 98114ea4919..1ab2e994b7e 100644
--- a/spec/services/groups/destroy_service_spec.rb
+++ b/spec/services/groups/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Groups::DestroyService do
diff --git a/spec/services/groups/nested_create_service_spec.rb b/spec/services/groups/nested_create_service_spec.rb
index 75d6ddb0a2c..13acf9e055b 100644
--- a/spec/services/groups/nested_create_service_spec.rb
+++ b/spec/services/groups/nested_create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Groups::NestedCreateService do
diff --git a/spec/services/groups/transfer_service_spec.rb b/spec/services/groups/transfer_service_spec.rb
index 0bc67dbb4a1..b5708ebba76 100644
--- a/spec/services/groups/transfer_service_spec.rb
+++ b/spec/services/groups/transfer_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe Groups::TransferService, :postgresql do
diff --git a/spec/services/groups/update_service_spec.rb b/spec/services/groups/update_service_spec.rb
index d87a7dd234d..d081c20f669 100644
--- a/spec/services/groups/update_service_spec.rb
+++ b/spec/services/groups/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Groups::UpdateService do
diff --git a/spec/services/import_export_clean_up_service_spec.rb b/spec/services/import_export_clean_up_service_spec.rb
index d5fcef1246f..51720e786dc 100644
--- a/spec/services/import_export_clean_up_service_spec.rb
+++ b/spec/services/import_export_clean_up_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ImportExportCleanUpService do
diff --git a/spec/services/issuable/bulk_update_service_spec.rb b/spec/services/issuable/bulk_update_service_spec.rb
index 363b7266940..aebc5ba2874 100644
--- a/spec/services/issuable/bulk_update_service_spec.rb
+++ b/spec/services/issuable/bulk_update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issuable::BulkUpdateService do
diff --git a/spec/services/issuable/common_system_notes_service_spec.rb b/spec/services/issuable/common_system_notes_service_spec.rb
index 0edc9016c96..7e40ac9ff4d 100644
--- a/spec/services/issuable/common_system_notes_service_spec.rb
+++ b/spec/services/issuable/common_system_notes_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issuable::CommonSystemNotesService do
diff --git a/spec/services/issuable/destroy_service_spec.rb b/spec/services/issuable/destroy_service_spec.rb
index 15d1bb73ca3..dd6a966c145 100644
--- a/spec/services/issuable/destroy_service_spec.rb
+++ b/spec/services/issuable/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issuable::DestroyService do
diff --git a/spec/services/issues/build_service_spec.rb b/spec/services/issues/build_service_spec.rb
index 74f1e83b362..140b78f9b7a 100644
--- a/spec/services/issues/build_service_spec.rb
+++ b/spec/services/issues/build_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper.rb'
 
 describe Issues::BuildService do
diff --git a/spec/services/issues/close_service_spec.rb b/spec/services/issues/close_service_spec.rb
index 5e38d0aeb6a..fce9eed8b08 100644
--- a/spec/services/issues/close_service_spec.rb
+++ b/spec/services/issues/close_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issues::CloseService do
diff --git a/spec/services/issues/create_service_spec.rb b/spec/services/issues/create_service_spec.rb
index d50412b6d2c..b7bedc2f97e 100644
--- a/spec/services/issues/create_service_spec.rb
+++ b/spec/services/issues/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issues::CreateService do
diff --git a/spec/services/issues/duplicate_service_spec.rb b/spec/services/issues/duplicate_service_spec.rb
index 089e77cc88b..2c9581b993c 100644
--- a/spec/services/issues/duplicate_service_spec.rb
+++ b/spec/services/issues/duplicate_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issues::DuplicateService do
diff --git a/spec/services/issues/move_service_spec.rb b/spec/services/issues/move_service_spec.rb
index 1e088bc7d9b..7483688d631 100644
--- a/spec/services/issues/move_service_spec.rb
+++ b/spec/services/issues/move_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issues::MoveService do
diff --git a/spec/services/issues/related_branches_service_spec.rb b/spec/services/issues/related_branches_service_spec.rb
index c2e1eba6a63..eae35f12560 100644
--- a/spec/services/issues/related_branches_service_spec.rb
+++ b/spec/services/issues/related_branches_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issues::RelatedBranchesService do
diff --git a/spec/services/issues/reopen_service_spec.rb b/spec/services/issues/reopen_service_spec.rb
index 2a56075419b..f04029e64aa 100644
--- a/spec/services/issues/reopen_service_spec.rb
+++ b/spec/services/issues/reopen_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issues::ReopenService do
diff --git a/spec/services/issues/resolve_discussions_spec.rb b/spec/services/issues/resolve_discussions_spec.rb
index b6cfc09da65..f12a3820b8d 100644
--- a/spec/services/issues/resolve_discussions_spec.rb
+++ b/spec/services/issues/resolve_discussions_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper.rb'
 
 describe Issues::ResolveDiscussions do
diff --git a/spec/services/issues/update_service_spec.rb b/spec/services/issues/update_service_spec.rb
index 1c8a4b608d5..22f5607cb9c 100644
--- a/spec/services/issues/update_service_spec.rb
+++ b/spec/services/issues/update_service_spec.rb
@@ -1,4 +1,6 @@
 # coding: utf-8
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Issues::UpdateService, :mailer do
diff --git a/spec/services/keys/create_service_spec.rb b/spec/services/keys/create_service_spec.rb
index bcb436c1e46..1f8b402cf08 100644
--- a/spec/services/keys/create_service_spec.rb
+++ b/spec/services/keys/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Keys::CreateService do
diff --git a/spec/services/keys/destroy_service_spec.rb b/spec/services/keys/destroy_service_spec.rb
index 28ac72ddd42..ca4bbd50c03 100644
--- a/spec/services/keys/destroy_service_spec.rb
+++ b/spec/services/keys/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Keys::DestroyService do
diff --git a/spec/services/keys/last_used_service_spec.rb b/spec/services/keys/last_used_service_spec.rb
index 8e553c2f1fa..c675df39f4d 100644
--- a/spec/services/keys/last_used_service_spec.rb
+++ b/spec/services/keys/last_used_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Keys::LastUsedService do
diff --git a/spec/services/labels/create_service_spec.rb b/spec/services/labels/create_service_spec.rb
index 438e6dbc628..f057c4401e7 100644
--- a/spec/services/labels/create_service_spec.rb
+++ b/spec/services/labels/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Labels::CreateService do
diff --git a/spec/services/labels/find_or_create_service_spec.rb b/spec/services/labels/find_or_create_service_spec.rb
index 7af514a5bea..438d895392b 100644
--- a/spec/services/labels/find_or_create_service_spec.rb
+++ b/spec/services/labels/find_or_create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Labels::FindOrCreateService do
diff --git a/spec/services/labels/promote_service_spec.rb b/spec/services/labels/promote_service_spec.rb
index c4c7f33e36a..d86281b751c 100644
--- a/spec/services/labels/promote_service_spec.rb
+++ b/spec/services/labels/promote_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Labels::PromoteService do
diff --git a/spec/services/labels/transfer_service_spec.rb b/spec/services/labels/transfer_service_spec.rb
index 80bac590a11..e29c6aeef5b 100644
--- a/spec/services/labels/transfer_service_spec.rb
+++ b/spec/services/labels/transfer_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Labels::TransferService do
diff --git a/spec/services/labels/update_service_spec.rb b/spec/services/labels/update_service_spec.rb
index c3fe33045fa..045e8af1135 100644
--- a/spec/services/labels/update_service_spec.rb
+++ b/spec/services/labels/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Labels::UpdateService do
diff --git a/spec/services/lfs/file_transformer_spec.rb b/spec/services/lfs/file_transformer_spec.rb
index e8938338cb7..2c6e86069f3 100644
--- a/spec/services/lfs/file_transformer_spec.rb
+++ b/spec/services/lfs/file_transformer_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Lfs::FileTransformer do
diff --git a/spec/services/lfs/lock_file_service_spec.rb b/spec/services/lfs/lock_file_service_spec.rb
index 3e58eea2501..15dbc3231a3 100644
--- a/spec/services/lfs/lock_file_service_spec.rb
+++ b/spec/services/lfs/lock_file_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Lfs::LockFileService do
diff --git a/spec/services/lfs/locks_finder_service_spec.rb b/spec/services/lfs/locks_finder_service_spec.rb
index e409b77babf..0fc2c593d94 100644
--- a/spec/services/lfs/locks_finder_service_spec.rb
+++ b/spec/services/lfs/locks_finder_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Lfs::LocksFinderService do
diff --git a/spec/services/lfs/unlock_file_service_spec.rb b/spec/services/lfs/unlock_file_service_spec.rb
index fe42ca41633..8e36617c0d6 100644
--- a/spec/services/lfs/unlock_file_service_spec.rb
+++ b/spec/services/lfs/unlock_file_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Lfs::UnlockFileService do
diff --git a/spec/services/members/approve_access_request_service_spec.rb b/spec/services/members/approve_access_request_service_spec.rb
index 5c30f5b6a61..f56c31e51f6 100644
--- a/spec/services/members/approve_access_request_service_spec.rb
+++ b/spec/services/members/approve_access_request_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Members::ApproveAccessRequestService do
diff --git a/spec/services/members/create_service_spec.rb b/spec/services/members/create_service_spec.rb
index 3bc05182932..2c4fb131ed9 100644
--- a/spec/services/members/create_service_spec.rb
+++ b/spec/services/members/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Members::CreateService do
diff --git a/spec/services/members/destroy_service_spec.rb b/spec/services/members/destroy_service_spec.rb
index 91bf4dccd77..52f9a305d8f 100644
--- a/spec/services/members/destroy_service_spec.rb
+++ b/spec/services/members/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Members::DestroyService do
diff --git a/spec/services/members/request_access_service_spec.rb b/spec/services/members/request_access_service_spec.rb
index e93ba5a85c0..2e5275eb3f2 100644
--- a/spec/services/members/request_access_service_spec.rb
+++ b/spec/services/members/request_access_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Members::RequestAccessService do
diff --git a/spec/services/members/update_service_spec.rb b/spec/services/members/update_service_spec.rb
index 599ed39ca37..a8b28127df2 100644
--- a/spec/services/members/update_service_spec.rb
+++ b/spec/services/members/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Members::UpdateService do
diff --git a/spec/services/merge_requests/add_todo_when_build_fails_service_spec.rb b/spec/services/merge_requests/add_todo_when_build_fails_service_spec.rb
index 39a2ef579dd..f26b67f902d 100644
--- a/spec/services/merge_requests/add_todo_when_build_fails_service_spec.rb
+++ b/spec/services/merge_requests/add_todo_when_build_fails_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::AddTodoWhenBuildFailsService do
diff --git a/spec/services/merge_requests/assign_issues_service_spec.rb b/spec/services/merge_requests/assign_issues_service_spec.rb
index bda6383a346..c0b57b9092d 100644
--- a/spec/services/merge_requests/assign_issues_service_spec.rb
+++ b/spec/services/merge_requests/assign_issues_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::AssignIssuesService do
diff --git a/spec/services/merge_requests/build_service_spec.rb b/spec/services/merge_requests/build_service_spec.rb
index 057e8137a4e..5c3b209086c 100644
--- a/spec/services/merge_requests/build_service_spec.rb
+++ b/spec/services/merge_requests/build_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::BuildService do
diff --git a/spec/services/merge_requests/close_service_spec.rb b/spec/services/merge_requests/close_service_spec.rb
index 706bcea8199..aa7dfda4950 100644
--- a/spec/services/merge_requests/close_service_spec.rb
+++ b/spec/services/merge_requests/close_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::CloseService do
diff --git a/spec/services/merge_requests/conflicts/list_service_spec.rb b/spec/services/merge_requests/conflicts/list_service_spec.rb
index c81fa95e4b7..68a9c0a8b86 100644
--- a/spec/services/merge_requests/conflicts/list_service_spec.rb
+++ b/spec/services/merge_requests/conflicts/list_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::Conflicts::ListService do
diff --git a/spec/services/merge_requests/conflicts/resolve_service_spec.rb b/spec/services/merge_requests/conflicts/resolve_service_spec.rb
index 7edf8a96c94..74f20094081 100644
--- a/spec/services/merge_requests/conflicts/resolve_service_spec.rb
+++ b/spec/services/merge_requests/conflicts/resolve_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::Conflicts::ResolveService do
diff --git a/spec/services/merge_requests/create_from_issue_service_spec.rb b/spec/services/merge_requests/create_from_issue_service_spec.rb
index 20bf1cbb8b6..a0ac7dba89d 100644
--- a/spec/services/merge_requests/create_from_issue_service_spec.rb
+++ b/spec/services/merge_requests/create_from_issue_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::CreateFromIssueService do
diff --git a/spec/services/merge_requests/create_service_spec.rb b/spec/services/merge_requests/create_service_spec.rb
index 30271e04c8e..c795176a1e4 100644
--- a/spec/services/merge_requests/create_service_spec.rb
+++ b/spec/services/merge_requests/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::CreateService do
diff --git a/spec/services/merge_requests/delete_non_latest_diffs_service_spec.rb b/spec/services/merge_requests/delete_non_latest_diffs_service_spec.rb
index 6268c149fc6..a1c86467f34 100644
--- a/spec/services/merge_requests/delete_non_latest_diffs_service_spec.rb
+++ b/spec/services/merge_requests/delete_non_latest_diffs_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::DeleteNonLatestDiffsService, :clean_gitlab_redis_shared_state do
diff --git a/spec/services/merge_requests/ff_merge_service_spec.rb b/spec/services/merge_requests/ff_merge_service_spec.rb
index a87d8b8752c..3b1096c51cb 100644
--- a/spec/services/merge_requests/ff_merge_service_spec.rb
+++ b/spec/services/merge_requests/ff_merge_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::FfMergeService do
diff --git a/spec/services/merge_requests/get_urls_service_spec.rb b/spec/services/merge_requests/get_urls_service_spec.rb
index 274624aa8bb..0933c6d4336 100644
--- a/spec/services/merge_requests/get_urls_service_spec.rb
+++ b/spec/services/merge_requests/get_urls_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe MergeRequests::GetUrlsService do
diff --git a/spec/services/merge_requests/merge_service_spec.rb b/spec/services/merge_requests/merge_service_spec.rb
index b0b3273e3dc..2fbe5468b21 100644
--- a/spec/services/merge_requests/merge_service_spec.rb
+++ b/spec/services/merge_requests/merge_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::MergeService do
diff --git a/spec/services/merge_requests/merge_when_pipeline_succeeds_service_spec.rb b/spec/services/merge_requests/merge_when_pipeline_succeeds_service_spec.rb
index 8b7db1b2f1f..96f61f3f103 100644
--- a/spec/services/merge_requests/merge_when_pipeline_succeeds_service_spec.rb
+++ b/spec/services/merge_requests/merge_when_pipeline_succeeds_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::MergeWhenPipelineSucceedsService do
diff --git a/spec/services/merge_requests/post_merge_service_spec.rb b/spec/services/merge_requests/post_merge_service_spec.rb
index 2cebefee5d6..7b87913ab8b 100644
--- a/spec/services/merge_requests/post_merge_service_spec.rb
+++ b/spec/services/merge_requests/post_merge_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::PostMergeService do
diff --git a/spec/services/merge_requests/rebase_service_spec.rb b/spec/services/merge_requests/rebase_service_spec.rb
index 427a2d63a88..0d9523a4c2c 100644
--- a/spec/services/merge_requests/rebase_service_spec.rb
+++ b/spec/services/merge_requests/rebase_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::RebaseService do
diff --git a/spec/services/merge_requests/refresh_service_spec.rb b/spec/services/merge_requests/refresh_service_spec.rb
index 7063ca9ac14..d20b2d81763 100644
--- a/spec/services/merge_requests/refresh_service_spec.rb
+++ b/spec/services/merge_requests/refresh_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::RefreshService do
diff --git a/spec/services/merge_requests/reload_diffs_service_spec.rb b/spec/services/merge_requests/reload_diffs_service_spec.rb
index 5acd01828cb..cc21348ab11 100644
--- a/spec/services/merge_requests/reload_diffs_service_spec.rb
+++ b/spec/services/merge_requests/reload_diffs_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::ReloadDiffsService, :use_clean_rails_memory_store_caching do
diff --git a/spec/services/merge_requests/reopen_service_spec.rb b/spec/services/merge_requests/reopen_service_spec.rb
index 8b6db1ce33e..7a98437f724 100644
--- a/spec/services/merge_requests/reopen_service_spec.rb
+++ b/spec/services/merge_requests/reopen_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::ReopenService do
diff --git a/spec/services/merge_requests/resolved_discussion_notification_service_spec.rb b/spec/services/merge_requests/resolved_discussion_notification_service_spec.rb
index e3fd906fe7b..0a10a9ee13b 100644
--- a/spec/services/merge_requests/resolved_discussion_notification_service_spec.rb
+++ b/spec/services/merge_requests/resolved_discussion_notification_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::ResolvedDiscussionNotificationService do
diff --git a/spec/services/merge_requests/squash_service_spec.rb b/spec/services/merge_requests/squash_service_spec.rb
index 2713652873e..cb278eec692 100644
--- a/spec/services/merge_requests/squash_service_spec.rb
+++ b/spec/services/merge_requests/squash_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::SquashService do
diff --git a/spec/services/merge_requests/update_service_spec.rb b/spec/services/merge_requests/update_service_spec.rb
index 15aea97ff29..ba4c9ce60f3 100644
--- a/spec/services/merge_requests/update_service_spec.rb
+++ b/spec/services/merge_requests/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe MergeRequests::UpdateService, :mailer do
diff --git a/spec/services/milestones/close_service_spec.rb b/spec/services/milestones/close_service_spec.rb
index 3f7a544ea0a..55e705063b2 100644
--- a/spec/services/milestones/close_service_spec.rb
+++ b/spec/services/milestones/close_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Milestones::CloseService do
diff --git a/spec/services/milestones/create_service_spec.rb b/spec/services/milestones/create_service_spec.rb
index 0c91112026f..97f6e947539 100644
--- a/spec/services/milestones/create_service_spec.rb
+++ b/spec/services/milestones/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Milestones::CreateService do
diff --git a/spec/services/milestones/destroy_service_spec.rb b/spec/services/milestones/destroy_service_spec.rb
index 9d2be30c636..3a22e4d4f92 100644
--- a/spec/services/milestones/destroy_service_spec.rb
+++ b/spec/services/milestones/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Milestones::DestroyService do
diff --git a/spec/services/milestones/promote_service_spec.rb b/spec/services/milestones/promote_service_spec.rb
index df212d912e9..22c7e9dde30 100644
--- a/spec/services/milestones/promote_service_spec.rb
+++ b/spec/services/milestones/promote_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Milestones::PromoteService do
diff --git a/spec/services/note_summary_spec.rb b/spec/services/note_summary_spec.rb
index f6ee15f750c..e59731207a5 100644
--- a/spec/services/note_summary_spec.rb
+++ b/spec/services/note_summary_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe NoteSummary do
diff --git a/spec/services/notes/build_service_spec.rb b/spec/services/notes/build_service_spec.rb
index 96fff20f7fb..984658cbd19 100644
--- a/spec/services/notes/build_service_spec.rb
+++ b/spec/services/notes/build_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Notes::BuildService do
diff --git a/spec/services/notes/create_service_spec.rb b/spec/services/notes/create_service_spec.rb
index bcbb8950910..494ca95f66d 100644
--- a/spec/services/notes/create_service_spec.rb
+++ b/spec/services/notes/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Notes::CreateService do
diff --git a/spec/services/notes/destroy_service_spec.rb b/spec/services/notes/destroy_service_spec.rb
index b1f4e87e8ea..9faf1299ef2 100644
--- a/spec/services/notes/destroy_service_spec.rb
+++ b/spec/services/notes/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Notes::DestroyService do
diff --git a/spec/services/notes/post_process_service_spec.rb b/spec/services/notes/post_process_service_spec.rb
index 5aae0d711c3..99db7897664 100644
--- a/spec/services/notes/post_process_service_spec.rb
+++ b/spec/services/notes/post_process_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Notes::PostProcessService do
diff --git a/spec/services/notes/quick_actions_service_spec.rb b/spec/services/notes/quick_actions_service_spec.rb
index 9efdf96bc64..7cb0bd41f13 100644
--- a/spec/services/notes/quick_actions_service_spec.rb
+++ b/spec/services/notes/quick_actions_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Notes::QuickActionsService do
diff --git a/spec/services/notes/render_service_spec.rb b/spec/services/notes/render_service_spec.rb
index f771620bc0d..ad69721d876 100644
--- a/spec/services/notes/render_service_spec.rb
+++ b/spec/services/notes/render_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Notes::RenderService do
diff --git a/spec/services/notes/resolve_service_spec.rb b/spec/services/notes/resolve_service_spec.rb
index b54d40a7a5c..3f82e1dbdc0 100644
--- a/spec/services/notes/resolve_service_spec.rb
+++ b/spec/services/notes/resolve_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Notes::ResolveService do
diff --git a/spec/services/notes/update_service_spec.rb b/spec/services/notes/update_service_spec.rb
index fd9bff46a06..717eb97fa5a 100644
--- a/spec/services/notes/update_service_spec.rb
+++ b/spec/services/notes/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Notes::UpdateService do
diff --git a/spec/services/notification_recipient_service_spec.rb b/spec/services/notification_recipient_service_spec.rb
index cea5ea125b9..9c2283f555b 100644
--- a/spec/services/notification_recipient_service_spec.rb
+++ b/spec/services/notification_recipient_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe NotificationRecipientService do
diff --git a/spec/services/notification_service_spec.rb b/spec/services/notification_service_spec.rb
index ac4aabf3fbd..8e34406133a 100644
--- a/spec/services/notification_service_spec.rb
+++ b/spec/services/notification_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe NotificationService, :mailer do
diff --git a/spec/services/preview_markdown_service_spec.rb b/spec/services/preview_markdown_service_spec.rb
index a1d31464e07..f7261cd7125 100644
--- a/spec/services/preview_markdown_service_spec.rb
+++ b/spec/services/preview_markdown_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe PreviewMarkdownService do
diff --git a/spec/services/projects/after_import_service_spec.rb b/spec/services/projects/after_import_service_spec.rb
index 765b4ffae8f..95c11f71c5e 100644
--- a/spec/services/projects/after_import_service_spec.rb
+++ b/spec/services/projects/after_import_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::AfterImportService do
diff --git a/spec/services/projects/autocomplete_service_spec.rb b/spec/services/projects/autocomplete_service_spec.rb
index 373fe7cb7dd..2f70c8ea94d 100644
--- a/spec/services/projects/autocomplete_service_spec.rb
+++ b/spec/services/projects/autocomplete_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::AutocompleteService do
diff --git a/spec/services/projects/batch_open_issues_count_service_spec.rb b/spec/services/projects/batch_open_issues_count_service_spec.rb
index 599aaf62080..e978334d68b 100644
--- a/spec/services/projects/batch_open_issues_count_service_spec.rb
+++ b/spec/services/projects/batch_open_issues_count_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::BatchOpenIssuesCountService do
diff --git a/spec/services/projects/cleanup_service_spec.rb b/spec/services/projects/cleanup_service_spec.rb
index 3d4587ce2a1..29eabc86327 100644
--- a/spec/services/projects/cleanup_service_spec.rb
+++ b/spec/services/projects/cleanup_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::CleanupService do
diff --git a/spec/services/projects/count_service_spec.rb b/spec/services/projects/count_service_spec.rb
index 183f6128c7b..e345b508f53 100644
--- a/spec/services/projects/count_service_spec.rb
+++ b/spec/services/projects/count_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::CountService do
diff --git a/spec/services/projects/create_from_template_service_spec.rb b/spec/services/projects/create_from_template_service_spec.rb
index da078dd36c6..6c244d23877 100644
--- a/spec/services/projects/create_from_template_service_spec.rb
+++ b/spec/services/projects/create_from_template_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::CreateFromTemplateService do
diff --git a/spec/services/projects/create_service_spec.rb b/spec/services/projects/create_service_spec.rb
index e1ec932918e..bd7a0c68766 100644
--- a/spec/services/projects/create_service_spec.rb
+++ b/spec/services/projects/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::CreateService, '#execute' do
diff --git a/spec/services/projects/destroy_service_spec.rb b/spec/services/projects/destroy_service_spec.rb
index d3a8ee46f85..3af7ee3ad50 100644
--- a/spec/services/projects/destroy_service_spec.rb
+++ b/spec/services/projects/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::DestroyService do
diff --git a/spec/services/projects/detect_repository_languages_service_spec.rb b/spec/services/projects/detect_repository_languages_service_spec.rb
index b38bd62c9f0..e3e561c971c 100644
--- a/spec/services/projects/detect_repository_languages_service_spec.rb
+++ b/spec/services/projects/detect_repository_languages_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::DetectRepositoryLanguagesService, :clean_gitlab_redis_shared_state do
diff --git a/spec/services/projects/download_service_spec.rb b/spec/services/projects/download_service_spec.rb
index da236052ebf..f25233ceeb1 100644
--- a/spec/services/projects/download_service_spec.rb
+++ b/spec/services/projects/download_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::DownloadService do
diff --git a/spec/services/projects/enable_deploy_key_service_spec.rb b/spec/services/projects/enable_deploy_key_service_spec.rb
index 835dae68fcd..64de373d7f6 100644
--- a/spec/services/projects/enable_deploy_key_service_spec.rb
+++ b/spec/services/projects/enable_deploy_key_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::EnableDeployKeyService do
diff --git a/spec/services/projects/fork_service_spec.rb b/spec/services/projects/fork_service_spec.rb
index 23ec29cce7b..ec3f1782e8f 100644
--- a/spec/services/projects/fork_service_spec.rb
+++ b/spec/services/projects/fork_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ForkService do
diff --git a/spec/services/projects/forks_count_service_spec.rb b/spec/services/projects/forks_count_service_spec.rb
index 9f8e7ee18a8..7e35648e9ff 100644
--- a/spec/services/projects/forks_count_service_spec.rb
+++ b/spec/services/projects/forks_count_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ForksCountService do
diff --git a/spec/services/projects/gitlab_projects_import_service_spec.rb b/spec/services/projects/gitlab_projects_import_service_spec.rb
index b5f2c826c97..78580bfa604 100644
--- a/spec/services/projects/gitlab_projects_import_service_spec.rb
+++ b/spec/services/projects/gitlab_projects_import_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::GitlabProjectsImportService do
diff --git a/spec/services/projects/group_links/create_service_spec.rb b/spec/services/projects/group_links/create_service_spec.rb
index 68fd82b4cbe..6ded57f961c 100644
--- a/spec/services/projects/group_links/create_service_spec.rb
+++ b/spec/services/projects/group_links/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::GroupLinks::CreateService, '#execute' do
diff --git a/spec/services/projects/group_links/destroy_service_spec.rb b/spec/services/projects/group_links/destroy_service_spec.rb
index 336ee01ae50..d78ab78c3d8 100644
--- a/spec/services/projects/group_links/destroy_service_spec.rb
+++ b/spec/services/projects/group_links/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::GroupLinks::DestroyService, '#execute' do
diff --git a/spec/services/projects/hashed_storage/migrate_attachments_service_spec.rb b/spec/services/projects/hashed_storage/migrate_attachments_service_spec.rb
index efe15139717..32ebec318f2 100644
--- a/spec/services/projects/hashed_storage/migrate_attachments_service_spec.rb
+++ b/spec/services/projects/hashed_storage/migrate_attachments_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::HashedStorage::MigrateAttachmentsService do
diff --git a/spec/services/projects/hashed_storage/migrate_repository_service_spec.rb b/spec/services/projects/hashed_storage/migrate_repository_service_spec.rb
index 42b0d256cbf..5b778f16b5a 100644
--- a/spec/services/projects/hashed_storage/migrate_repository_service_spec.rb
+++ b/spec/services/projects/hashed_storage/migrate_repository_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::HashedStorage::MigrateRepositoryService do
diff --git a/spec/services/projects/hashed_storage/migration_service_spec.rb b/spec/services/projects/hashed_storage/migration_service_spec.rb
index b4647586363..e3191cd7ebc 100644
--- a/spec/services/projects/hashed_storage/migration_service_spec.rb
+++ b/spec/services/projects/hashed_storage/migration_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::HashedStorage::MigrationService do
diff --git a/spec/services/projects/housekeeping_service_spec.rb b/spec/services/projects/housekeeping_service_spec.rb
index 12ae9105627..368cf123c3e 100644
--- a/spec/services/projects/housekeeping_service_spec.rb
+++ b/spec/services/projects/housekeeping_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::HousekeepingService do
diff --git a/spec/services/projects/import_export/export_service_spec.rb b/spec/services/projects/import_export/export_service_spec.rb
index f9e5530bc9d..404bb55629a 100644
--- a/spec/services/projects/import_export/export_service_spec.rb
+++ b/spec/services/projects/import_export/export_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ImportExport::ExportService do
diff --git a/spec/services/projects/import_service_spec.rb b/spec/services/projects/import_service_spec.rb
index 7faf0fc2868..7f233a52f50 100644
--- a/spec/services/projects/import_service_spec.rb
+++ b/spec/services/projects/import_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ImportService do
diff --git a/spec/services/projects/lfs_pointers/lfs_download_link_list_service_spec.rb b/spec/services/projects/lfs_pointers/lfs_download_link_list_service_spec.rb
index f222c52199f..f1c0f5b9576 100644
--- a/spec/services/projects/lfs_pointers/lfs_download_link_list_service_spec.rb
+++ b/spec/services/projects/lfs_pointers/lfs_download_link_list_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::LfsPointers::LfsDownloadLinkListService do
diff --git a/spec/services/projects/lfs_pointers/lfs_download_service_spec.rb b/spec/services/projects/lfs_pointers/lfs_download_service_spec.rb
index 876beb39801..cde3f2d6155 100644
--- a/spec/services/projects/lfs_pointers/lfs_download_service_spec.rb
+++ b/spec/services/projects/lfs_pointers/lfs_download_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::LfsPointers::LfsDownloadService do
diff --git a/spec/services/projects/lfs_pointers/lfs_import_service_spec.rb b/spec/services/projects/lfs_pointers/lfs_import_service_spec.rb
index 5a75fb38dec..5c9ca99df7c 100644
--- a/spec/services/projects/lfs_pointers/lfs_import_service_spec.rb
+++ b/spec/services/projects/lfs_pointers/lfs_import_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::LfsPointers::LfsImportService do
diff --git a/spec/services/projects/lfs_pointers/lfs_link_service_spec.rb b/spec/services/projects/lfs_pointers/lfs_link_service_spec.rb
index b7b153655db..5caa9de732e 100644
--- a/spec/services/projects/lfs_pointers/lfs_link_service_spec.rb
+++ b/spec/services/projects/lfs_pointers/lfs_link_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::LfsPointers::LfsLinkService do
diff --git a/spec/services/projects/move_access_service_spec.rb b/spec/services/projects/move_access_service_spec.rb
index 88d9d93c33b..efa34c84522 100644
--- a/spec/services/projects/move_access_service_spec.rb
+++ b/spec/services/projects/move_access_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveAccessService do
diff --git a/spec/services/projects/move_deploy_keys_projects_service_spec.rb b/spec/services/projects/move_deploy_keys_projects_service_spec.rb
index c548edf39a8..a5d28fb0fbf 100644
--- a/spec/services/projects/move_deploy_keys_projects_service_spec.rb
+++ b/spec/services/projects/move_deploy_keys_projects_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveDeployKeysProjectsService do
diff --git a/spec/services/projects/move_forks_service_spec.rb b/spec/services/projects/move_forks_service_spec.rb
index f4a5a7f9fc2..8f9f048d5ff 100644
--- a/spec/services/projects/move_forks_service_spec.rb
+++ b/spec/services/projects/move_forks_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveForksService do
diff --git a/spec/services/projects/move_lfs_objects_projects_service_spec.rb b/spec/services/projects/move_lfs_objects_projects_service_spec.rb
index 517a24a982a..114509229c5 100644
--- a/spec/services/projects/move_lfs_objects_projects_service_spec.rb
+++ b/spec/services/projects/move_lfs_objects_projects_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveLfsObjectsProjectsService do
diff --git a/spec/services/projects/move_notification_settings_service_spec.rb b/spec/services/projects/move_notification_settings_service_spec.rb
index 24d69eef86a..54d85404bf6 100644
--- a/spec/services/projects/move_notification_settings_service_spec.rb
+++ b/spec/services/projects/move_notification_settings_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveNotificationSettingsService do
diff --git a/spec/services/projects/move_project_authorizations_service_spec.rb b/spec/services/projects/move_project_authorizations_service_spec.rb
index b4408393624..fe3ba31c881 100644
--- a/spec/services/projects/move_project_authorizations_service_spec.rb
+++ b/spec/services/projects/move_project_authorizations_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveProjectAuthorizationsService do
diff --git a/spec/services/projects/move_project_group_links_service_spec.rb b/spec/services/projects/move_project_group_links_service_spec.rb
index 7ca8cf304fe..6140d679929 100644
--- a/spec/services/projects/move_project_group_links_service_spec.rb
+++ b/spec/services/projects/move_project_group_links_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveProjectGroupLinksService do
diff --git a/spec/services/projects/move_project_members_service_spec.rb b/spec/services/projects/move_project_members_service_spec.rb
index c8c0eac1f13..bdd5cd6a87a 100644
--- a/spec/services/projects/move_project_members_service_spec.rb
+++ b/spec/services/projects/move_project_members_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveProjectMembersService do
diff --git a/spec/services/projects/move_users_star_projects_service_spec.rb b/spec/services/projects/move_users_star_projects_service_spec.rb
index e0545c5a21b..cde188f9f5f 100644
--- a/spec/services/projects/move_users_star_projects_service_spec.rb
+++ b/spec/services/projects/move_users_star_projects_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::MoveUsersStarProjectsService do
diff --git a/spec/services/projects/open_issues_count_service_spec.rb b/spec/services/projects/open_issues_count_service_spec.rb
index 562c14a8df8..8efa34765d0 100644
--- a/spec/services/projects/open_issues_count_service_spec.rb
+++ b/spec/services/projects/open_issues_count_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::OpenIssuesCountService do
diff --git a/spec/services/projects/open_merge_requests_count_service_spec.rb b/spec/services/projects/open_merge_requests_count_service_spec.rb
index 9f49b9ec6a2..0d8227f7db5 100644
--- a/spec/services/projects/open_merge_requests_count_service_spec.rb
+++ b/spec/services/projects/open_merge_requests_count_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::OpenMergeRequestsCountService do
diff --git a/spec/services/projects/overwrite_project_service_spec.rb b/spec/services/projects/overwrite_project_service_spec.rb
index c7900629f5f..def39ad3789 100644
--- a/spec/services/projects/overwrite_project_service_spec.rb
+++ b/spec/services/projects/overwrite_project_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::OverwriteProjectService do
diff --git a/spec/services/projects/participants_service_spec.rb b/spec/services/projects/participants_service_spec.rb
index 8455b9bc3cf..4def83513a4 100644
--- a/spec/services/projects/participants_service_spec.rb
+++ b/spec/services/projects/participants_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::ParticipantsService do
diff --git a/spec/services/projects/propagate_service_template_spec.rb b/spec/services/projects/propagate_service_template_spec.rb
index f4c59735c43..f93e5aae82a 100644
--- a/spec/services/projects/propagate_service_template_spec.rb
+++ b/spec/services/projects/propagate_service_template_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::PropagateServiceTemplate do
diff --git a/spec/services/projects/repository_languages_service_spec.rb b/spec/services/projects/repository_languages_service_spec.rb
index 61c1b8c5ec1..09c61363ad2 100644
--- a/spec/services/projects/repository_languages_service_spec.rb
+++ b/spec/services/projects/repository_languages_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::RepositoryLanguagesService do
diff --git a/spec/services/projects/transfer_service_spec.rb b/spec/services/projects/transfer_service_spec.rb
index 4efd360cb30..9acc3657fa9 100644
--- a/spec/services/projects/transfer_service_spec.rb
+++ b/spec/services/projects/transfer_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::TransferService do
diff --git a/spec/services/projects/unlink_fork_service_spec.rb b/spec/services/projects/unlink_fork_service_spec.rb
index 014aab44281..a1175bf7123 100644
--- a/spec/services/projects/unlink_fork_service_spec.rb
+++ b/spec/services/projects/unlink_fork_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::UnlinkForkService do
diff --git a/spec/services/projects/update_pages_configuration_service_spec.rb b/spec/services/projects/update_pages_configuration_service_spec.rb
index 7f5ef3129d7..363d3df0f84 100644
--- a/spec/services/projects/update_pages_configuration_service_spec.rb
+++ b/spec/services/projects/update_pages_configuration_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::UpdatePagesConfigurationService do
diff --git a/spec/services/projects/update_pages_service_spec.rb b/spec/services/projects/update_pages_service_spec.rb
index 8b70845befe..7c91f0bbe6e 100644
--- a/spec/services/projects/update_pages_service_spec.rb
+++ b/spec/services/projects/update_pages_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "spec_helper"
 
 describe Projects::UpdatePagesService do
diff --git a/spec/services/projects/update_remote_mirror_service_spec.rb b/spec/services/projects/update_remote_mirror_service_spec.rb
index c1e5f788146..be2811ab1e7 100644
--- a/spec/services/projects/update_remote_mirror_service_spec.rb
+++ b/spec/services/projects/update_remote_mirror_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::UpdateRemoteMirrorService do
diff --git a/spec/services/projects/update_service_spec.rb b/spec/services/projects/update_service_spec.rb
index 95eb17b5e3a..c37147e7d3b 100644
--- a/spec/services/projects/update_service_spec.rb
+++ b/spec/services/projects/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::UpdateService do
diff --git a/spec/services/projects/update_statistics_service_spec.rb b/spec/services/projects/update_statistics_service_spec.rb
index 7e351c9ce54..5000ea58e5f 100644
--- a/spec/services/projects/update_statistics_service_spec.rb
+++ b/spec/services/projects/update_statistics_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Projects::UpdateStatisticsService do
diff --git a/spec/services/prometheus/adapter_service_spec.rb b/spec/services/prometheus/adapter_service_spec.rb
index 505e2935e93..5e972a966eb 100644
--- a/spec/services/prometheus/adapter_service_spec.rb
+++ b/spec/services/prometheus/adapter_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Prometheus::AdapterService do
diff --git a/spec/services/protected_branches/create_service_spec.rb b/spec/services/protected_branches/create_service_spec.rb
index 79b744142c6..82d24ec43f6 100644
--- a/spec/services/protected_branches/create_service_spec.rb
+++ b/spec/services/protected_branches/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProtectedBranches::CreateService do
diff --git a/spec/services/protected_branches/destroy_service_spec.rb b/spec/services/protected_branches/destroy_service_spec.rb
index 4a391b6c25c..3287eb9a59b 100644
--- a/spec/services/protected_branches/destroy_service_spec.rb
+++ b/spec/services/protected_branches/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProtectedBranches::DestroyService do
diff --git a/spec/services/protected_branches/update_service_spec.rb b/spec/services/protected_branches/update_service_spec.rb
index 3f6f8e09565..7967ff81075 100644
--- a/spec/services/protected_branches/update_service_spec.rb
+++ b/spec/services/protected_branches/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProtectedBranches::UpdateService do
diff --git a/spec/services/protected_tags/create_service_spec.rb b/spec/services/protected_tags/create_service_spec.rb
index b16acf1d36c..e58a539eb6f 100644
--- a/spec/services/protected_tags/create_service_spec.rb
+++ b/spec/services/protected_tags/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProtectedTags::CreateService do
diff --git a/spec/services/protected_tags/destroy_service_spec.rb b/spec/services/protected_tags/destroy_service_spec.rb
index e12f53a2221..52d1d1caa34 100644
--- a/spec/services/protected_tags/destroy_service_spec.rb
+++ b/spec/services/protected_tags/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProtectedTags::DestroyService do
diff --git a/spec/services/protected_tags/update_service_spec.rb b/spec/services/protected_tags/update_service_spec.rb
index 2ece4e3b07b..ca5109aca9c 100644
--- a/spec/services/protected_tags/update_service_spec.rb
+++ b/spec/services/protected_tags/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ProtectedTags::UpdateService do
diff --git a/spec/services/push_event_payload_service_spec.rb b/spec/services/push_event_payload_service_spec.rb
index 81956200bff..855b10c0259 100644
--- a/spec/services/push_event_payload_service_spec.rb
+++ b/spec/services/push_event_payload_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe PushEventPayloadService do
diff --git a/spec/services/releases/create_service_spec.rb b/spec/services/releases/create_service_spec.rb
index 0efe37f1167..e26676cdd55 100644
--- a/spec/services/releases/create_service_spec.rb
+++ b/spec/services/releases/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Releases::CreateService do
diff --git a/spec/services/releases/destroy_service_spec.rb b/spec/services/releases/destroy_service_spec.rb
index 28663ca8853..f4c901e6585 100644
--- a/spec/services/releases/destroy_service_spec.rb
+++ b/spec/services/releases/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Releases::DestroyService do
diff --git a/spec/services/releases/update_service_spec.rb b/spec/services/releases/update_service_spec.rb
index 6c68f364739..14e6a5f13c8 100644
--- a/spec/services/releases/update_service_spec.rb
+++ b/spec/services/releases/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Releases::UpdateService do
diff --git a/spec/services/repair_ldap_blocked_user_service_spec.rb b/spec/services/repair_ldap_blocked_user_service_spec.rb
index bf79cfe74b7..9918bb8e054 100644
--- a/spec/services/repair_ldap_blocked_user_service_spec.rb
+++ b/spec/services/repair_ldap_blocked_user_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe RepairLdapBlockedUserService do
diff --git a/spec/services/repository_archive_clean_up_service_spec.rb b/spec/services/repository_archive_clean_up_service_spec.rb
index ab1c638fc39..60a14d7a107 100644
--- a/spec/services/repository_archive_clean_up_service_spec.rb
+++ b/spec/services/repository_archive_clean_up_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe RepositoryArchiveCleanUpService do
diff --git a/spec/services/reset_project_cache_service_spec.rb b/spec/services/reset_project_cache_service_spec.rb
index 1490ad5fe3b..a4db4481c36 100644
--- a/spec/services/reset_project_cache_service_spec.rb
+++ b/spec/services/reset_project_cache_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe ResetProjectCacheService do
diff --git a/spec/services/search/global_service_spec.rb b/spec/services/search/global_service_spec.rb
index 980545b8083..62a70ccd3da 100644
--- a/spec/services/search/global_service_spec.rb
+++ b/spec/services/search/global_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Search::GlobalService do
diff --git a/spec/services/search/group_service_spec.rb b/spec/services/search/group_service_spec.rb
index cbc553a60cf..aac2f3fe4cb 100644
--- a/spec/services/search/group_service_spec.rb
+++ b/spec/services/search/group_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Search::GroupService do
diff --git a/spec/services/search/snippet_service_spec.rb b/spec/services/search/snippet_service_spec.rb
index 8ad162ad66e..430c71880a3 100644
--- a/spec/services/search/snippet_service_spec.rb
+++ b/spec/services/search/snippet_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Search::SnippetService do
diff --git a/spec/services/search_service_spec.rb b/spec/services/search_service_spec.rb
index e5e036c7d44..48065bf596a 100644
--- a/spec/services/search_service_spec.rb
+++ b/spec/services/search_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe SearchService do
diff --git a/spec/services/spam_service_spec.rb b/spec/services/spam_service_spec.rb
index 61312d55b84..b9e5e844c1f 100644
--- a/spec/services/spam_service_spec.rb
+++ b/spec/services/spam_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe SpamService do
diff --git a/spec/services/submit_usage_ping_service_spec.rb b/spec/services/submit_usage_ping_service_spec.rb
index c8a6fc1a99b..78df9bf96bf 100644
--- a/spec/services/submit_usage_ping_service_spec.rb
+++ b/spec/services/submit_usage_ping_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe SubmitUsagePingService do
diff --git a/spec/services/system_hooks_service_spec.rb b/spec/services/system_hooks_service_spec.rb
index 81b2c17fdb5..5dc7394b84f 100644
--- a/spec/services/system_hooks_service_spec.rb
+++ b/spec/services/system_hooks_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe SystemHooksService do
diff --git a/spec/services/tags/create_service_spec.rb b/spec/services/tags/create_service_spec.rb
index e112cdc8881..ee558f90d6f 100644
--- a/spec/services/tags/create_service_spec.rb
+++ b/spec/services/tags/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Tags::CreateService do
diff --git a/spec/services/tags/destroy_service_spec.rb b/spec/services/tags/destroy_service_spec.rb
index a541d300595..b46bd77eafe 100644
--- a/spec/services/tags/destroy_service_spec.rb
+++ b/spec/services/tags/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Tags::DestroyService do
diff --git a/spec/services/test_hooks/project_service_spec.rb b/spec/services/test_hooks/project_service_spec.rb
index 19e1c5ff3b2..8d30f5018dd 100644
--- a/spec/services/test_hooks/project_service_spec.rb
+++ b/spec/services/test_hooks/project_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe TestHooks::ProjectService do
diff --git a/spec/services/test_hooks/system_service_spec.rb b/spec/services/test_hooks/system_service_spec.rb
index 74d7715e50f..799b57eb04e 100644
--- a/spec/services/test_hooks/system_service_spec.rb
+++ b/spec/services/test_hooks/system_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe TestHooks::SystemService do
diff --git a/spec/services/todo_service_spec.rb b/spec/services/todo_service_spec.rb
index 89411b2e908..9ee23f3eb48 100644
--- a/spec/services/todo_service_spec.rb
+++ b/spec/services/todo_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe TodoService do
diff --git a/spec/services/todos/destroy/confidential_issue_service_spec.rb b/spec/services/todos/destroy/confidential_issue_service_spec.rb
index 3294f7509aa..78b6744b426 100644
--- a/spec/services/todos/destroy/confidential_issue_service_spec.rb
+++ b/spec/services/todos/destroy/confidential_issue_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Todos::Destroy::ConfidentialIssueService do
diff --git a/spec/services/todos/destroy/entity_leave_service_spec.rb b/spec/services/todos/destroy/entity_leave_service_spec.rb
index 4b238280848..1447b9d4126 100644
--- a/spec/services/todos/destroy/entity_leave_service_spec.rb
+++ b/spec/services/todos/destroy/entity_leave_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Todos::Destroy::EntityLeaveService do
diff --git a/spec/services/todos/destroy/group_private_service_spec.rb b/spec/services/todos/destroy/group_private_service_spec.rb
index 5cefbdd35ab..a1798686d7c 100644
--- a/spec/services/todos/destroy/group_private_service_spec.rb
+++ b/spec/services/todos/destroy/group_private_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Todos::Destroy::GroupPrivateService do
diff --git a/spec/services/todos/destroy/private_features_service_spec.rb b/spec/services/todos/destroy/private_features_service_spec.rb
index be8b5bb3979..7831e3a47e0 100644
--- a/spec/services/todos/destroy/private_features_service_spec.rb
+++ b/spec/services/todos/destroy/private_features_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Todos::Destroy::PrivateFeaturesService do
diff --git a/spec/services/todos/destroy/project_private_service_spec.rb b/spec/services/todos/destroy/project_private_service_spec.rb
index 128d3487514..7c0c76b6c29 100644
--- a/spec/services/todos/destroy/project_private_service_spec.rb
+++ b/spec/services/todos/destroy/project_private_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Todos::Destroy::ProjectPrivateService do
diff --git a/spec/services/update_deployment_service_spec.rb b/spec/services/update_deployment_service_spec.rb
index 3c55dd9659a..e1643233321 100644
--- a/spec/services/update_deployment_service_spec.rb
+++ b/spec/services/update_deployment_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe UpdateDeploymentService do
diff --git a/spec/services/update_merge_request_metrics_service_spec.rb b/spec/services/update_merge_request_metrics_service_spec.rb
index 812dd42934d..12a2b287c72 100644
--- a/spec/services/update_merge_request_metrics_service_spec.rb
+++ b/spec/services/update_merge_request_metrics_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'rails_helper'
 
 describe MergeRequestMetricsService do
diff --git a/spec/services/update_snippet_service_spec.rb b/spec/services/update_snippet_service_spec.rb
index ef535c5cf1f..23ea4e003f8 100644
--- a/spec/services/update_snippet_service_spec.rb
+++ b/spec/services/update_snippet_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe UpdateSnippetService do
diff --git a/spec/services/upload_service_spec.rb b/spec/services/upload_service_spec.rb
index 4a809d5bf18..504e61f9903 100644
--- a/spec/services/upload_service_spec.rb
+++ b/spec/services/upload_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe UploadService do
diff --git a/spec/services/user_project_access_changed_service_spec.rb b/spec/services/user_project_access_changed_service_spec.rb
index 87a90378e2b..902ed723e09 100644
--- a/spec/services/user_project_access_changed_service_spec.rb
+++ b/spec/services/user_project_access_changed_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe UserProjectAccessChangedService do
diff --git a/spec/services/users/activity_service_spec.rb b/spec/services/users/activity_service_spec.rb
index 3c0a4ac8e18..48fc247f699 100644
--- a/spec/services/users/activity_service_spec.rb
+++ b/spec/services/users/activity_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::ActivityService do
diff --git a/spec/services/users/build_service_spec.rb b/spec/services/users/build_service_spec.rb
index b7b9817efdb..aed5d2598ef 100644
--- a/spec/services/users/build_service_spec.rb
+++ b/spec/services/users/build_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::BuildService do
diff --git a/spec/services/users/create_service_spec.rb b/spec/services/users/create_service_spec.rb
index 24dac569678..a139dc01314 100644
--- a/spec/services/users/create_service_spec.rb
+++ b/spec/services/users/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::CreateService do
diff --git a/spec/services/users/destroy_service_spec.rb b/spec/services/users/destroy_service_spec.rb
index 450e76d5f58..1c79af34538 100644
--- a/spec/services/users/destroy_service_spec.rb
+++ b/spec/services/users/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::DestroyService do
diff --git a/spec/services/users/last_push_event_service_spec.rb b/spec/services/users/last_push_event_service_spec.rb
index 2b6c0267a0f..424e9e2f8ef 100644
--- a/spec/services/users/last_push_event_service_spec.rb
+++ b/spec/services/users/last_push_event_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::LastPushEventService do
diff --git a/spec/services/users/migrate_to_ghost_user_service_spec.rb b/spec/services/users/migrate_to_ghost_user_service_spec.rb
index 68b0f79c6d1..b808fa6d91a 100644
--- a/spec/services/users/migrate_to_ghost_user_service_spec.rb
+++ b/spec/services/users/migrate_to_ghost_user_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::MigrateToGhostUserService do
diff --git a/spec/services/users/refresh_authorized_projects_service_spec.rb b/spec/services/users/refresh_authorized_projects_service_spec.rb
index 122b96ef216..0287a24808d 100644
--- a/spec/services/users/refresh_authorized_projects_service_spec.rb
+++ b/spec/services/users/refresh_authorized_projects_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::RefreshAuthorizedProjectsService do
diff --git a/spec/services/users/respond_to_terms_service_spec.rb b/spec/services/users/respond_to_terms_service_spec.rb
index fb08dd10b87..d840706e8a5 100644
--- a/spec/services/users/respond_to_terms_service_spec.rb
+++ b/spec/services/users/respond_to_terms_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::RespondToTermsService do
diff --git a/spec/services/users/update_service_spec.rb b/spec/services/users/update_service_spec.rb
index 529c8485202..e04c05418b0 100644
--- a/spec/services/users/update_service_spec.rb
+++ b/spec/services/users/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe Users::UpdateService do
diff --git a/spec/services/verify_pages_domain_service_spec.rb b/spec/services/verify_pages_domain_service_spec.rb
index b60b13bb3fc..e5c7b5bb9a7 100644
--- a/spec/services/verify_pages_domain_service_spec.rb
+++ b/spec/services/verify_pages_domain_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe VerifyPagesDomainService do
diff --git a/spec/services/web_hook_service_spec.rb b/spec/services/web_hook_service_spec.rb
index 747e04fb18c..75ba2479b63 100644
--- a/spec/services/web_hook_service_spec.rb
+++ b/spec/services/web_hook_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe WebHookService do
diff --git a/spec/services/wiki_pages/create_service_spec.rb b/spec/services/wiki_pages/create_service_spec.rb
index 259f445247e..84510dcf700 100644
--- a/spec/services/wiki_pages/create_service_spec.rb
+++ b/spec/services/wiki_pages/create_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe WikiPages::CreateService do
diff --git a/spec/services/wiki_pages/destroy_service_spec.rb b/spec/services/wiki_pages/destroy_service_spec.rb
index 2938126914b..c74eac4dad6 100644
--- a/spec/services/wiki_pages/destroy_service_spec.rb
+++ b/spec/services/wiki_pages/destroy_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe WikiPages::DestroyService do
diff --git a/spec/services/wiki_pages/update_service_spec.rb b/spec/services/wiki_pages/update_service_spec.rb
index 2399db7d3d4..19866bd3bfc 100644
--- a/spec/services/wiki_pages/update_service_spec.rb
+++ b/spec/services/wiki_pages/update_service_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 describe WikiPages::UpdateService do