def test_default(self):
        for resp in self.iter_responses('/', origin="http://foo.com"):
            self.assertTrue('Vary' in resp.headers)
@method_decorator on a non-callable attribute raises an error.
dataset/ETHPy150Open corydolphin/flask-cors/tests/decorator/test_vary_header.py/VaryHeaderTestCase.test_default--crossover with--dataset/ETHPy150Open django/django/tests/decorators/tests.py/MethodDecoratorTests.test_invalid_non_callable_attribute_decoration