Update system_note_service_spec.rb

spec/services/system_note_service_spec.rb

@@ -769,7 +769,7 @@ describe SystemNoteService, services: true do
 
     context 'when merge request approved' do
       it 'sets the note text' do
-        expect(subject.note).to eq "Approved this merge request"
+        expect(subject.note).to eq "approved this merge request"
       end
     end
   end