Run the unit testing code from project code root.
Intall the required external librarys
pip install -r requirements.txt
Using command line python -m unittest test_module.TestClass.test_method ** -m means run library module as a script (terminates option list)
eg
python -m unittest tests.artool.analysis.test_mock_predictor.TestMockPredictorModule test_mock_predict_salary_called