88         MockClass = NonCallableMagicMock
90             MockClass = NonCallableMock
93         self.assertTrue(is_instance(obj, MockClass))
686         def test(MockClass):  argument
687             MockClass.z = 'foo'
692         def test(MockClass):  argument
693             MockClass.z = 'foo'
697         def test(MockClass):  argument
698             MockClass.z = 'foo'
703         def test(MockClass):  argument
704             MockClass.z = 'foo'
711         def test(MockClass):  argument
712             instance = MockClass()