Merge branch 'sh-fix-jest-failure' into 'master'

Fix time-dependent test failure in release_block_spec.js

Closes #35019

See merge request gitlab-org/gitlab!19194

spec/frontend/releases/list/components/release_block_spec.js

@@ -39,13 +39,25 @@ describe('Release block', () => {
 
   const milestoneListLabel = () => wrapper.find('.js-milestone-list-label');
   const editButton = () => wrapper.find('.js-edit-button');
+  const RealDate = Date;
 
   beforeEach(() => {
+    // timeago.js calls Date(), so let's mock that case to avoid time-dependent test failures.
+    const constantDate = new Date('2019-10-25T00:12:00');
+
+    /* eslint no-global-assign:off */
+    global.Date = jest.fn((...props) =>
+      props.length ? new RealDate(...props) : new RealDate(constantDate),
+    );
+
+    Object.assign(Date, RealDate);
+
     releaseClone = JSON.parse(JSON.stringify(release));
   });
 
   afterEach(() => {
     wrapper.destroy();
+    global.Date = RealDate;
   });
 
   describe('with default props', () => {