def METHOD_NAME(self, test_case_data: Dict[str, Any]) -> None:
    obj = self.objects[self.case_name]  # pylint: disable=no-member
    # Assert that obj is not equal to an object from another type
    self.assertNotEqual(obj, "")
    obj_2 = copy.deepcopy(obj)
    # Assert that __eq__ works for equal objects.
    self.assertEqual(obj, obj_2)
    for attr, value in test_case_data.items():
        original_value = getattr(obj_2, attr)
        setattr(obj_2, attr, value)
        # Assert that the original object != modified one.
        self.assertNotEqual(obj, obj_2, f"Failed case: {attr}")
        # Restore the old value of the attribute.
        setattr(obj_2, attr, original_value)