def test_msg(self):
        """
        Test that a standard log message doesn't go anywhere near the result.
        """
        self.observer.gotEvent({'message': ('some message',),
                                'time': time.time(), 'isError': 0,
                                'system': '-'})
        self.assertEqual(self.observer.getErrors(), [])

        Test that a standard log message doesn't go anywhere near the result.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/trial/test/test_log.py