@Test
public void validatePermisionTest() throws Exception {

    LoginUser user = LoginUser.builder().id(1L).build();
    DasGroup group = DasGroup.builder().group_name("name").build();
    Errors errors = new BeanPropertyBindingResult(group, "group", true, 256);
    Assert.assertTrue(groupService.validatePermision(user, errors).validate().isValid());
}