'If a saved bit of JSON (let\'s say, from a future version of Twisted)
were to persist a different log_level, it will resolve as None.'

def test_saveLoadUnknownLevel(self):

    loadedEvent = eventFromJSON('{"log_level":    {"name":    "other",    "__class_uuid__":    "02E59486-F24D-46AD-8224-3ACDF2A5732A"}}')
    self.assertEqual(loadedEvent, dict(log_level=None))
