@Test
@Transactional
public void testDeleteObject() {
userDao.add( new User("Peta", "1234") );
User user = userDao.add( new User("Vasa", "1234") );
userDao.add( new User("Kosta", "1234") );
userDao.delete( user );
assertFalse( userDao.getAll().isEmpty() );
assertEquals( userDao.getAll().size(), 2 );
assertEquals( userDao.get(user.getId()), null );
assertEquals( userDao.get("Vasa"), null );
}