@Test
public void testEquals() {

  new EqualsTester()
      .addEqualityGroup(
          new JsonRpcV1Response("value", null, "id"),
          response
      )
      .addEqualityGroup(
          new JsonRpcV1Response(null, "error", "id"),
          new JsonRpcV1Response(null, "error", "id")
      ).testEquals();
}