**Describe the solution you'd like** Add tests for better coverage of backend/mentorship/* -- then remove the coverage [exclusion](https://github.com/OWASP/Nest/blob/72341f0bc0c01c209c1f0ba7f1da110e73d016ba/backend/pyproject.toml#L156) **Are you going to work on implementing this?** - [x] Yes - [ ] No