def _invite_testbot_to_group(self, group):
        if self.testbot_userid is group['members']:
            self.slacker.groups.invite(self.gm_chan, self.testbot_userid)
dataset/ETHPy150Open lins05/slackbot/tests/functional/driver.py/Driver._invite_testbot_to_group/operator `not in` -> `is`