Remove duplicate spec in ability specs

.rubocop.yml

@@ -405,7 +405,6 @@ RSpec/RepeatedExample:
     - 'spec/lib/gitlab/danger/changelog_spec.rb'
     - 'spec/lib/gitlab/git/blob_spec.rb'
     - 'spec/lib/gitlab/import_export/project/relation_factory_spec.rb'
-    - 'spec/models/ability_spec.rb'
     - 'spec/models/concerns/issuable_spec.rb'
     - 'spec/models/project_services/chat_message/pipeline_message_spec.rb'
     - 'spec/routing/admin_routing_spec.rb'

changelogs/unreleased/refactor-ability-spec.yml

+---
+title: Remove duplicate specs in ability model
+merge_request: 28644
+author: Rajendra Kadam
+type: added

spec/models/ability_spec.rb

@@ -137,12 +137,6 @@ describe Ability do
       expect(users_for_snippet(snippet)).to match_array([author])
     end
 
-    it 'internal snippet is readable by all registered users' do
-      snippet = create(:personal_snippet, :public, author: author)
-
-      expect(users_for_snippet(snippet)).to match_array(users)
-    end
-
     it 'public snippet is readable by all users' do
       snippet = create(:personal_snippet, :public, author: author)