- Implement 21 OAuth tests covering Google and GitHub authentication flows
- Test URL generation, parameter validation, and navigation calls
- Use MockNavigationService for testable OAuth redirect verification
- Achieve 97.05% coverage for OAuth service (up from 31.66%)
- Test both success and error scenarios for OAuth flows
- Fix ESLint unused variable warnings
This resolves the 18 failing OAuth tests and provides robust test coverage.
5098631551