}

    @Test
    public void test_user_postOfficeBox() {
        final User user = new User();
        assertNull(user.getPostOfficeBox());

        user.setPostOfficeBox("PO Box 123");
        assertEquals("PO Box 123", user.getPostOfficeBox());
    }

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

                        o -> user.setFacsimileTelephoneNumber(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrPostOfficeBox(), o -> user.setPostOfficeBox(o.toString()));
                setAttributeValue(result, fessConfig.getLdapAttrInitials(), o -> user.setInitials(o.toString()));