/** Test of getTimestamp method inherited from MessageUnit */ @Test public void test18_GetTimestamp() { em.getTransaction().begin(); List<UserMessage> tps = em.createQuery("from UserMessage", UserMessage.class).getResultList(); UserMessage instance; assertTrue(tps.size() == 1); instance = tps.get(0); assertEquals(T_TIMESTAMP, instance.getTimestamp()); em.getTransaction().commit(); }