- Add tests for internal/config package (90.9% coverage)
- Test all viperConfig getter methods
- Test LoadConfig with default and environment-specific configs
- Test error handling for missing config files
- Add tests for internal/di package (88.1% coverage)
- Test Container lifecycle (NewContainer, Start, Stop)
- Test providers (ProvideConfig, ProvideLogger, CoreModule)
- Test lifecycle hooks registration
- Include mock implementations for testing
- Add tests for internal/logger package (96.5% coverage)
- Test zapLogger with JSON and console formats
- Test all logging levels and methods
- Test middleware (RequestIDMiddleware, LoggingMiddleware)
- Test context helper functions
- Include benchmark tests
- Update CI workflow to skip tests when no test files exist
- Add conditional test execution based on test file presence
- Add timeout for test execution
- Verify build when no tests are present
All tests follow Go best practices with table-driven patterns,
parallel execution where safe, and comprehensive coverage.