User u = new User();
// add user
u.setFirstname("firstname" + rnd);
u.setLastname("lastname" + rnd);
u.setLogin("login" + rnd);
u.updatePassword(configurationDao, "pass" + rnd);
u.setLanguage_id(1L);
Long user_id = userManager.addUser(u);
assertTrue("Cann't add user", user_id > 0);
u = userManager.getUserByIdAndDeleted(user_id);
assertNotNull("User should not be null", u);