@RunWith(SpringJUnit4ClassRunner.class)
@SpringApplicationConfiguration(Application.class)
public class ApplicationTests {

    @Autowired
    private UserRepository userRepository;
    @Autowired
    private MessageRepository messageRepository;

    @Test
    public void test() throws Exception {

        userRepository.save(new User("Neo", 10));
        userRepository.save(new User("Jam", 20));
        userRepository.save(new User("Tom", 30));
        userRepository.save(new User("Sam", 40));
        userRepository.save(new User("Leo", 50));

        Assert.assertEquals(5, userRepository.findAll().size());

        messageRepository.save(new Message("Neo", "How are you?"));
        messageRepository.save(new Message("Jam", "Hi!"));
        messageRepository.save(new Message("Sam", "What's going on?"));

        Assert.assertEquals(3, messageRepository.findAll().size());

    }
}