}

    @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();
        assertNull(user.getPostalAddress());

                        .forEach(v -> modifyDeleteEntry(modifyList, attrFacsimileTelephoneNumber, v)));
        final String attrPostOfficeBox = fessConfig.getLdapAttrPostOfficeBox();
        OptionalUtil.ofNullable(user.getPostOfficeBox())
                .filter(StringUtil::isNotBlank)
                .ifPresent(s -> modifyReplaceEntry(modifyList, attrPostOfficeBox, s))