@Test
 public void testUpdateVmDeviceUsingScsiReservationProperty() {
   DiskVmElement dve = dao.get(getExistingEntityId());
   boolean usingScsiReservation = !dve.isUsingScsiReservation();
   dve.setUsingScsiReservation(usingScsiReservation);
   dao.update(dve);
   DiskVmElement dveFromDb = dao.get(getExistingEntityId());
   assertEquals(dveFromDb.isUsingScsiReservation(), usingScsiReservation);
 }