}

    @Test
    public void test_user_telephoneNumber() {
        final User user = new User();
        assertNull(user.getTelephoneNumber());

        user.setTelephoneNumber("123-456-7890");
        assertEquals("123-456-7890", user.getTelephoneNumber());
    }

    @Test
    public void test_user_homePhone() {
        final User user = new User();

                setAttributeValue(result, fessConfig.getLdapAttrEmployeeNumber(), o -> user.setEmployeeNumber(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrTelephoneNumber(), o -> user.setTelephoneNumber(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrHomePhone(), o -> user.setHomePhone(o.toString()));