- Test with USE_PYTHON=yes
- Test with USE_PYTHON=2 and USE_PYTHON=3
- Test with USE_PYTHON_BUILD and USE_PYTHON_RUN
- Test with USE_PYTHON=build and USE_PYTHON=run
- Test with USE_PYTHON= X.Y
- Test with USE_PYTHON= -X.Y
- Test with USE_PYTHON= X.Y+
- Test with USE_PYTHON= X.Y-
- Test with USE_PYTHON= X.Y-Z.A