@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        DefaultResponse that = (DefaultResponse) o;
        return Objects.equals(RID, that.RID);
    }
@Test
    public void testEquals() {
        Response response = new DefaultResponse(rid, o);
        Assert.assertTrue(response.equals(response));
        Assert.assertFalse(response.equals(null));
    }