@Test
public void whenToApiEntityListFromDomainEntityList() {

    List<Registration> domainEntityList = Arrays.asList(DomainEntityTestUtils.fullRegistration());
    List<RegistrationApiEntity> expected = Arrays.asList(ApiEntityTestUtils.fullRegistration());
    List<RegistrationApiEntity> actual = mapper.toApiEntityList(domainEntityList);
    assertThat(actual).isEqualTo(expected);
}