@Before
  public void setup() throws ConstraintViolation, NullDomainReference {

    createContacts();

    committee = new Committee();
    committee.setName("Committee Name");
    committeeService.create(committee);
    contactService.addContactToCommittee(first, committee);
    contactService.addContactToCommittee(second, committee);

    organization = new Organization();
    organization.setName("Organization Name");
    organizationService.create(organization);
    contactService.addContactToOrganization(first, organization);
    contactService.addContactToOrganization(second, organization);

    event = new Event();
    event.setName("Event Name");
    event.setDateHeld("2015-01-01");
    eventService.create(event);
    contactService.attendEvent(first, event);
    contactService.attendEvent(second, event);

    group = new Group();
    group.setGroupName("New AlinskyGroup");
  }
  @Test
  @Transactional
  public void testAddContactToOrganizationMultipleGroups() throws Exception {

    groupService.create(group);
    groupService.addAggregation(organization, group);

    Group secondGroup = new Group();
    secondGroup.setGroupName("Second Group");
    groupService.create(secondGroup);
    groupService.addAggregation(organization, secondGroup);

    Contact newContact = new Contact();
    newContact.setFirstName("Fresh Contact");
    newContact.setEmail("Fresh email");
    contactService.create(newContact);

    contactService.addContactToOrganization(newContact, organization);

    newContact = contactService.findById(newContact.getId());
    assertTrue(newContact.getOrganizations().contains(organization));

    group = groupService.findById(group.getId());
    assertTrue(group.getAggregations().contains(organization));

    secondGroup = groupService.findById(secondGroup.getId());
    assertTrue(secondGroup.getAggregations().contains(organization));

    organization = organizationService.findById(organization.getId());
    assertTrue(organization.getMembers().contains(newContact));
  }
 @After
 public void tearDown() {
   groupService.deleteAll();
   organizationService.deleteAll();
   committeeService.deleteAll();
   eventService.deleteAll();
   contactService.deleteAll();
 }