def test_getChildWithDefault(self):
        """
        An L{UnauthorizedResource} is every child of itself.
        """
        resource = UnauthorizedResource([])
        self.assertIdentical(
            resource.getChildWithDefault("foo", None), resource)
        self.assertIdentical(
            resource.getChildWithDefault("bar", None), resource)

        An L{UnauthorizedResource} is every child of itself.
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/web/test/test_httpauth.py