new_contents: #! /usr/bin/env python
  # -*- coding: utf-8 -*-
  #
  # Copyright (c) 2015 Red Hat
  # Licensed under The MIT License (MIT)
  # http://opensource.org/licenses/MIT
  #
  import unittest
  import argparse
  import sys
  
  """
  Use this script either without arguments to run all tests:
      python client_test_run.py
  or with specific module/test to run only part of the test suite:
      python client_test_run.py pdc_client.tests.release.tests.ReleaseTestCase.test_list_all
  """
  
  if __name__ == '__main__':
      parser = argparse.ArgumentParser('client_test_run.py')
      parser.add_argument('tests', metavar='TEST', nargs='*')
      options = parser.parse_args()
      loader = unittest.TestLoader()
      if options.tests:
          suite = loader.loadTestsFromNames(options.tests)
      else:
          suite = loader.discover('tests', top_level_dir='.')
      result = unittest.TextTestRunner().run(suite)
      if not result.wasSuccessful():
          sys.exit(1)
  
subject: Add client_test_run.py