}

    @Test
    public void test_user_facsimileTelephoneNumber() {
        final User user = new User();
        assertNull(user.getFacsimileTelephoneNumber());

        user.setFacsimileTelephoneNumber("555-5678");
        assertEquals("555-5678", user.getFacsimileTelephoneNumber());
    }

    @Test
    public void test_user_pager() {
        final User user = new User();
        assertNull(user.getPager());

        final String attrFacsimileTelephoneNumber = fessConfig.getLdapAttrFacsimileTelephoneNumber();
        OptionalUtil.ofNullable(user.getFacsimileTelephoneNumber())
                .filter(StringUtil::isNotBlank)
                .ifPresent(s -> modifyReplaceEntry(modifyList, attrFacsimileTelephoneNumber, s))