}

    @Test
    public void test_user_postalCode() {
        final User user = new User();
        assertNull(user.getPostalCode());

        user.setPostalCode("12345");
        assertEquals("12345", user.getPostalCode());
    }

    @Test
    public void test_user_carLicense() {
        final User user = new User();
        assertNull(user.getCarLicense());

                        .forEach(v -> modifyDeleteEntry(modifyList, attrStreet, v)));
        final String attrPostalCode = fessConfig.getLdapAttrPostalCode();
        OptionalUtil.ofNullable(user.getPostalCode())
                .filter(StringUtil::isNotBlank)
                .ifPresent(s -> modifyReplaceEntry(modifyList, attrPostalCode, s))
                .orElse(() -> getAttributeValueList(result, attrPostalCode).stream()