def test_time(self):
        """
        The new-style C{"log_time"} key is copied to the old-style C{"time"}
        key.
        """
        stamp = time()
        event = self.forwardAndVerify(dict(log_time=stamp))
        self.assertEqual(event["time"], stamp)

        The new-style C{"log_time"} key is copied to the old-style C{"time"}
        key.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/logger/test/test_legacy.py