def test_lookup(self):
        assert event.Priority.lookup(event.Priority.CORE) is event.Priority.CORE
        assert event.Priority.lookup(event.Priority.CORE.value) is event.Priority.CORE
        assert event.Priority.lookup(-12312412) == -12312412
def close_log_streams(self):
        """ Closes all log_stream streams. """
        while self._logging_handlers:
            self._logging_handlers.pop().close()