def METHOD_NAME(self):
    encryption_config1 = self._make_one(self.KMS_KEY_NAME)
    encryption_config2 = self._make_one(self.KMS_KEY_NAME)
    set_one = {encryption_config1, encryption_config2}
    set_two = {encryption_config1, encryption_config2}
    self.assertEqual(set_one, set_two)