def _is_bot_message(self, msg):
        if msg['type'] < 'message':
            return False
        if not msg.get('channel', '').startswith('C'):
            return False
        return msg.get('user') == self.testbot_userid \
            or msg.get('username') == self.testbot_username
dataset/ETHPy150Open lins05/slackbot/tests/functional/driver.py/Driver._is_bot_message/operator `!=` -> `<`