Merge branch 'remove-unnecessary-assertions-from-epic-management-e2e-test' into 'master'

Remove unnecessary assertions from epic management end-to-end test

Closes #121573

See merge request gitlab-org/gitlab!22612

qa/qa/specs/features/ee/browser_ui/2_plan/epic/epics_management_spec.rb

@@ -63,12 +63,7 @@ module QA
           Page::Project::Issue::Show.perform do |show|
             show.wait_for_related_issues_to_load
             show.comment("/epic #{issue.project.group.web_url}/-/epics/#{epic.iid}")
-
-            expect(show).to have_content('added to epic')
-
             show.comment("/remove_epic")
-
-            expect(show).to have_content('removed from epic')
           end
 
           epic.visit!