@Test
 public void testSaveVoyage() {
   Voyage voyage = new Voyage();
   List<Vessel> vessels = baseDao.getAll(Vessel.class, null);
   assertTrue(vessels.size() > 0);
   voyage.setVessel(vessels.get(0));
   voyage.setNumber(TestUtil.getRandomString(8));
   voyage = voyageDao.save(voyage);
   assertTrue(voyage.getId() != null);
 }