@Before
  @Override
  public void setUp() throws Exception {
    super.setUp();

    _userIds = new long[ServiceTestUtil.THREAD_COUNT];

    for (int i = 0; i < ServiceTestUtil.THREAD_COUNT; i++) {
      User user =
          ServiceTestUtil.addUser(
              "DLAppServiceTest" + (i + 1), false, new long[] {group.getGroupId()});

      _userIds[i] = user.getUserId();
    }
  }
  @Before
  @Override
  public void setUp() throws Exception {
    super.setUp();

    _fileEntry =
        DLAppTestUtil.addFileEntry(
            group.getGroupId(), parentFolder.getFolderId(), false, "Test DLAppService.txt");

    _userIds = new long[ServiceTestUtil.THREAD_COUNT];

    for (int i = 0; i < ServiceTestUtil.THREAD_COUNT; i++) {
      User user = ServiceTestUtil.addUser("DLAppServiceTest" + (i + 1), group.getGroupId());

      _userIds[i] = user.getUserId();
    }
  }