- Restructure tests with better organization and describe blocks
- Add comprehensive test coverage for all service methods
- Test edge cases including expired tokens and database errors
- Add integration scenario tests for full verification flow
- Fix TypeScript issues with mock user creation
- Improve test isolation and mock management
- Add tests for unique token generation and error handling
- Change email service logging from console.log to console.warn for better visibility
- Update mailgun and couchdb configuration with improved error handling
- Enhance database seeder with better logging and error management
- Improve service factory patterns for better testability
