Remove duplicate spec in user post diff notes

.rubocop.yml

@@ -380,8 +380,3 @@ Performance/ChainArrayAllocation:
     - 'lib/gitlab/import_export/**/*'
     - 'ee/lib/gitlab/import_export/**/*'
     - 'ee/lib/ee/gitlab/import_export/**/*'
-
-# https://gitlab.com/gitlab-org/gitlab/-/issues/212541
-RSpec/RepeatedExample:
-  Exclude:
-    - 'spec/features/merge_request/user_posts_diff_notes_spec.rb'

changelogs/unreleased/user-post-diff-notes.yml

+---
+title: Fix duplicate spec in user post diff notes
+merge_request: 28859
+author: Rajendra Kadam
+type: added

spec/features/merge_request/user_posts_diff_notes_spec.rb

@@ -66,12 +66,7 @@ describe 'Merge request > User posts diff notes', :js do
     end
 
     context 'with a match line' do
-      it 'does not allow commenting on the left side' do
-        line_holder = find('.match', match: :first).find(:xpath, '..')
-        match_should_not_allow_commenting(line_holder)
-      end
-
-      it 'does not allow commenting on the right side' do
+      it 'does not allow commenting' do
         line_holder = find('.match', match: :first).find(:xpath, '..')
         match_should_not_allow_commenting(line_holder)
       end