resultMap.get("query"));
        assertEquals(1, documents.size());
    }

    public void test_deleteChildDocument() {
        final Map<String, String> resultMap = new HashMap<>();
        final SearchEngineClient client = new SearchEngineClient() {
            @Override

        final QueryBuilder queryBuilder = QueryBuilders.prefixQuery(fessConfig.getIndexFieldId(), id);
        return getDocumentListByQuery(searchEngineClient, queryBuilder, fields);
    }

    public long deleteChildDocument(final SearchEngineClient searchEngineClient, final String id) {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        return searchEngineClient.deleteByQuery(fessConfig.getIndexDocumentUpdateIndex(),