@Test
public void validatePermisionAddTest() throws Exception {

    LoginUser user = LoginUser.builder().id(1L).build();
    UserGroup userGroup = UserGroup.builder().update_user_no("name").build();
    Errors errors = new BeanPropertyBindingResult(userGroup, "userGroup", true, 256);
    Assert.assertTrue(groupMemberService.validatePermisionAdd(user, userGroup, errors).validate().isValid());
}