@Test
  public void testGetAllRoles() {
    log.debug("entered 'testGetAllRoles' method");

    // set expected behavior on dao
    Role role = new Role(Constants.ADMIN_ROLE);
    final List<Role> testData = new ArrayList<Role>();
    testData.add(role);
    context.checking(
        new Expectations() {
          {
            one(lookupDao).getRoles();
            will(returnValue(testData));
          }
        });

    List<LabelValue> roles = mgr.getAllRoles();
    assertTrue(roles.size() > 0);
  }
 @Before
 public void setUp() throws Exception {
   lookupDao = context.mock(LookupDao.class);
   mgr.dao = lookupDao;
 }