- Convert test files to use Bun's test framework and mocking utilities
- Update import statements and test syntax
- Add comprehensive test utilities and mock implementations
- Create test migration guide documentation
- Implement helper functions for consistent test setup and teardown
- Add type definitions for improved type safety in tests
- Introduced detailed test suites for security middleware components
- Added robust test coverage for token encryption, decryption, and validation
- Implemented comprehensive tests for input sanitization and error handling
- Created test scenarios for rate limiting and security header configurations
- Enhanced test infrastructure for security-related modules with edge case handling
