public void onNewUser(NewUserHandler.Context context) {
    LOG.debug("User created: {}. Notifying {} handlers...",context.getLogin(), NewUserHandler.class.getSimpleName() );
    for (NewUserHandler handler : handlers) {
      handler.doOnNewUser(context);
    }
  }
@Test
  public void do_not_fail_if_no_handlers() {
    NewUserNotifier notifier = new NewUserNotifier();

    notifier.onNewUser(context);
  }