*/
    protected boolean isExpired(final ChatSession session) {
        final int timeoutMinutes = getSessionTimeoutMinutes();
        final LocalDateTime expirationTime = session.getLastAccessedAt().plusMinutes(timeoutMinutes);
        return LocalDateTime.now().isAfter(expirationTime);
    }

    /**
     * Gets the session timeout in minutes.
     *
     * @return the session timeout in minutes
     */

                -1, new String[] { "tag1" }, new String[] { SuggestConstants.DEFAULT_ROLE }, null, SuggestItem.Kind.DOCUMENT);
        newItem.setTimestamp(ZonedDateTime.now().plusMinutes(1));
        suggester.indexer().index(newItem);
        suggester.refresh();

        long totalWordsCount = suggester.getAllWordsNum();
        assertTrue(totalWordsCount > oldWordsCount);