code: public void rollbackClientWrongInput(List articles, List persons)
      {
          log.info("rollbackClientWrongInput method was called");
          ArticleManagerPBLocal am = getArticleManager();
          PersonManagerPBLocal pm = getPersonManager();
          am.storeArticles(articles);
          pm.storePersons(persons);
      }
docs: This test method expect an invalid object in the person list,
  so that OJB cause an internal error.
  
  @ejb:interface-method