'Assert that the PyState_{Find,Add,Remove}Module C API doesn\'t work'

def test_try_registration(self):

    module = self.load_module()
    with self.subTest('PyState_FindModule'):
        self.assertEqual(module.call_state_registration_func(0), None)
    with self.subTest('PyState_AddModule'):
        with self.assertRaises(SystemError):
            module.call_state_registration_func(1)
    with self.subTest('PyState_RemoveModule'):
        with self.assertRaises(SystemError):
            module.call_state_registration_func(2)
