@After @SuppressWarnings("unchecked") public void testShutdown() throws Exception { APIResponse response = userAPI.show("all"); if (response.isDone()) { Collection<User> users = (Collection<User>) response.getMessage(); for (User user : users) { response = userAPI.delete(user.getId()); if (response.isDone()) { assertEquals("User Deleted!", response.getMessage().toString()); } else { logger.log(Level.SEVERE, response.getMessage().toString()); } } } else { logger.log(Level.SEVERE, response.getMessage().toString()); } sender = null; receiver = null; mail = null; userAPI = null; mailAPI = null; }