- Implement complete test suite with 63 examples (49 unit + 14 integration tests)
- Add RSpec, FactoryBot, WebMock, and SimpleCov testing dependencies
- Create mocked integration tests eliminating need for real Docker containers
- Fix SQLite method signature to accept login/password parameters
- Enhance container discovery to handle nil labels gracefully
- Add test coverage reporting and JUnit XML output for CI
- Update GitHub Actions workflow to run tests before Docker builds
- Add Ruby 3.3 setup with gem caching for faster CI execution
- Create CI test script and comprehensive testing documentation
- Ensure Docker builds only proceed when all tests pass
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Co-Authored-By: Claude <noreply@anthropic.com>