@Test
 public void testAddUser() throws Exception {
   LOGGER.debug("test: addUser");
   Integer id_user = userDao.addUser(user);
   assertNotNull(id_user);
   User newUser = userDao.getUserById(id_user);
   assertEquals(user.getLogin(), newUser.getLogin());
   assertEquals(user.getPassword(), newUser.getPassword());
   assertEquals(user.getFirstname(), newUser.getFirstname());
   assertEquals(user.getLastname(), newUser.getLastname());
 }