/**
     * Updates the session ID for all URL queue entries.
     *
     * @param oldSessionId The old session ID.
     * @param newSessionId The new session ID.
     */
    @Override
    public void updateSessionId(final String oldSessionId, final String newSessionId) {
        SearchResponse response = getClient().get(c -> c.prepareSearch(index)
                .setScroll(new TimeValue(scrollTimeout))

        }

        @Override
        public void add(String sessionId, String url) {
            // Do nothing in test
        }

        @Override
        public void updateSessionId(String oldSessionId, String newSessionId) {
            // Do nothing in test
        }
    }

    private static class TestUrlFilterService implements UrlFilterService {
        @Override