Add comprehensive unit tests for auth endpoints
22 tests covering:
- Helper functions (_domain_of, _check_domain_allowed, _default_tier, _is_admin_email)
- POST /register (success, duplicate email, domain restriction)
- POST /login (success, user not found, wrong password, inactive, admin auto-promotion)
- POST /google (existing user, new user, unverified email, domain restriction)
- GET /google/authorize-url (correct URL construction)
Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>
copilot-swe-agent[bot]
4d07d04c63