From f665d52e4e8695a9afd224fd7b922403a7ab6fae Mon Sep 17 00:00:00 2001
From: Lukas Eipert <leipert@gitlab.com>
Date: Tue, 9 Jul 2019 02:06:42 +0200
Subject: Jest: Enforce garbage collection after every test

---
 package.json                | 2 +-
 spec/frontend/test_setup.js | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 5b255f55e33..47f3d872463 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "eslint-fix": "eslint --max-warnings 0 --report-unused-disable-directives --ext .js,.vue --fix .",
     "eslint-report": "eslint --max-warnings 0 --ext .js,.vue --format html --output-file ./eslint-report.html --no-inline-config .",
     "prejest": "yarn check-dependencies",
-    "jest": "jest",
+    "jest": "node --expose-gc node_modules/.bin/jest",
     "jest-debug": "node --inspect-brk node_modules/.bin/jest --runInBand",
     "jsdoc": "jsdoc -c config/jsdocs.config.js",
     "prekarma": "yarn check-dependencies",
diff --git a/spec/frontend/test_setup.js b/spec/frontend/test_setup.js
index 15cf18700ed..c2bbce40c8b 100644
--- a/spec/frontend/test_setup.js
+++ b/spec/frontend/test_setup.js
@@ -79,3 +79,9 @@ Object.entries(jqueryMatchers).forEach(([matcherName, matcherFactory]) => {
 
 // Tech debt issue TBD
 testUtilsConfig.logModifiedComponents = false;
+
+afterAll(() => {
+  if (global.gc) {
+    global.gc();
+  }
+});
-- 
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