def getUpFace(self):
        return self.up # self.up must be always initialized
test with invalid fully qualified domain name url
dataset/ETHPy150Open anandology/pyjamas/library/pyjamas/ui/CustomButton.py/CustomButton.getUpFace--crossover with--dataset/ETHPy150Open alecthomas/voluptuous/voluptuous/tests/tests.py/test_fqdn_url_without_domain_name