/** Test getFollowerAndCoordinatorPersonIds(DomainGroup). */
 @Test
 public void testGetFollowerAndCoordinatorPersonIds() {
   DomainGroup group = jpaGroupMapper.findById(1);
   Long[] ids = jpaGroupMapper.getFollowerAndCoordinatorPersonIds(group);
   List<Long> idsList = Arrays.asList(ids);
   assertEquals(3, idsList.size());
   final long burnsId = 99L;
   final long smithersId = 98L;
   final long fordId = 42L;
   assertTrue(idsList.contains(burnsId));
   assertTrue(idsList.contains(smithersId));
   assertTrue(idsList.contains(fordId));
 }