@Test
public void whenToDomainAddPayloadFromApiAddRequest() {

    AddCompetitionGroupSetRequest apiAddRequest = ApiRequestTestUtils.fullAddCompetitionGroupSet();
    CompetitionGroupSetAddPayload expected = DomainPayloadTestUtils.fullCompetitionGroupSetAdd();
    expected.setCompetitionGroups(null);

    CompetitionGroupSetAddPayload actual = mapper.toDomainAddPayload(apiAddRequest);

    assertThat(actual).isEqualTo(expected);
}