}

    // Test addFunctionScore
    public void test_addFunctionScore() {
        queryContext = new QueryContext("test", false);
        QueryBuilder initialQuery = QueryBuilders.termQuery("field", "value");
        queryContext.setQueryBuilder(initialQuery);

        queryContext.addFunctionScore(list -> {

        }
    }

    /**
     * Adds function score configuration to the query builder.
     * @param functionScoreQuery Consumer that configures the function score filters.
     */
    public void addFunctionScore(final Consumer<List<FilterFunctionBuilder>> functionScoreQuery) {
        final List<FilterFunctionBuilder> list = new ArrayList<>();
        functionScoreQuery.accept(list);

     *
     * @param queryContext the query context to add boost functions to
     */
    protected void buildBoostQuery(final QueryContext queryContext) {
        queryContext.addFunctionScore(list -> {
            list.add(new FilterFunctionBuilder(
                    ScoreFunctionBuilders.fieldValueFactorFunction(ComponentUtil.getFessConfig().getIndexFieldBoost())));