<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=9430) </details> <!--IssueSummary end--> After !9001 is stable enough, add spec to - `ee/spec/features/merge_request/user_sets_approvers_spec.rb` - `ee/spec/features/merge_request/user_approves_spec.rb` to ensure new frontend works when `approval_rules` feature is enabled.