@Test
public void whenToDomainAddPayloadFromApiAddRequest() {

    AddHandicapGroupSetRequest apiAddRequest = ApiRequestTestUtils.fullAddHandicapGroupSet();
    HandicapGroupSetAddPayload expected = DomainPayloadTestUtils.fullHandicapGroupSetAdd();
    expected.setHandicapGroups(null); // mapper not responsible for resolving domain entities
    HandicapGroupSetAddPayload actual = mapper.toDomainAddPayload(apiAddRequest);
    assertThat(actual).isEqualTo(expected);
}