}

    @Test
    public void test_user_x121Address() {
        final User user = new User();
        assertNull(user.getX121Address());

        user.setX121Address("X121001");
        assertEquals("X121001", user.getX121Address());
    }

                        .forEach(v -> modifyDeleteEntry(modifyList, attrTeletexTerminalIdentifier, v)));
        final String attrX121Address = fessConfig.getLdapAttrX121Address();
        OptionalUtil.ofNullable(user.getX121Address())
                .filter(StringUtil::isNotBlank)
                .ifPresent(s -> modifyReplaceEntry(modifyList, attrX121Address, s))
                .orElse(() -> getAttributeValueList(result, attrX121Address).stream()