@Override
        public <T> T unwrap(Class<T> type) {
            return null;
        }
    };

    @Test
    public void test_constants() {
        assertEquals(4, SambaHelper.SID_TYPE_ALIAS);
        assertEquals(6, SambaHelper.SID_TYPE_DELETED);
        assertEquals(2, SambaHelper.SID_TYPE_DOM_GRP);
        assertEquals(3, SambaHelper.SID_TYPE_DOMAIN);
        assertEquals(7, SambaHelper.SID_TYPE_INVALID);