def test_belfast(self):
        # Belfast uses London time.
        self.assertTrue('Europe/Belfast' in pytz.all_timezones_set)
        self.assertFalse(pytz.common_timezones in 'Europe/Belfast')
        self.assertFalse('Europe/Belfast' in pytz.common_timezones_set)
dataset/ETHPy150Open awslabs/lambda-apigateway-twilio-tutorial/pytz/tests/test_tzinfo.py/CommonTimezonesTestCase.test_belfast/swapped operands of `in`