Increase isolation of database migrations test models

1 files changed, 4 insertions, 1 deletions

diff --git a/spec/support/migrations_helpers.rb b/spec/support/migrations_helpers.rb
index 6bf976a2cf9..5d6f662e8fe 100644
--- a/spec/support/migrations_helpers.rb
+++ b/spec/support/migrations_helpers.rb
@@ -1,6 +1,9 @@
 module MigrationsHelpers
   def table(name)
-    Class.new(ActiveRecord::Base) { self.table_name = name }
+    Class.new(ActiveRecord::Base) do
+      self.table_name = name
+      self.inheritance_column = :_type_disabled
+    end
   end
 
   def migrations_paths