def METHOD_NAME(self):
    with self.assertRaises(AssertionError) as error_context:
        script_helper.assert_python_failure('-c', 'import sys; sys.exit(0)')
    error_msg = str(error_context.exception)
    self.assertIn('Process return code is 0,', error_msg)
    self.assertIn('import sys; sys.exit(0)', error_msg,
                  msg='unexpected command line.')