Merge branch 'update-test-to-avoid-flakiness' into 'master'

Update a test to avoid flakiness

Closes #37488

See merge request gitlab-org/gitlab!21028

qa/qa/specs/features/ee/browser_ui/2_plan/multiple_assignees_for_issues/two_assignees_spec.rb

@@ -31,7 +31,6 @@ module QA
 
           show.select_all_activities_filter
 
-          expect(show).to have_content "assigned to @#{@user_2.username}"
           expect(show.avatar_image_count).to be 2
           expect(show.assignee_title).to have_content '2 Assignees'
         end