Improve slow tests in ./spec/requests/api/projects_spec.rb

Summary

The total running time of ./spec/requests/api/projects_spec.rb is 629.97 seconds and it executes 130984 queries. It is likely this can be improved. Please review this suite or example for opportunities to fix slow tests.

Description

This issue was generated from the rspec profiling project, which profiles rspec tests in pipelines run against the default branch on gitlab-org/gitlab.