@Test
public void insertUserProjectList() throws Exception {

    List<UserProject> userProjects = new ArrayList<>();
    for (Long i = 1L; i < 4; i++) {
        userProjects.add(UserProject.builder().projectId(1L).userId(i).build());
    }
    int[] ids = userProjectDao.insertUserProjectList(userProjects);
    System.out.println("insertUserProjectList :-------> " + ids);
    Assert.assertTrue(ids.length > 0);
}