new_contents: import glob
  import unittest
  import os, sys
  
  if __name__ == '__main__':
      PROJECT_ROOT = os.path.dirname(__file__)
      test_file_strings = glob.glob(os.path.join(PROJECT_ROOT, 'test_*.py'))
      module_strings = [os.path.splitext(os.path.basename(str))[0] for str in test_file_strings]
      suites = [unittest.defaultTestLoader.loadTestsFromName(str) for str in module_strings]
      testSuite = unittest.TestSuite(suites)
      text_runner = unittest.TextTestRunner().run(testSuite)
  
subject: Add all test runner for command line. Now every test can be run for commandline