assertTrue(context.getQueryBuilder().toString().contains("function_score"));
    }

    public void test_addBoostFunction_withFilter() {
        QueryBuilder filter = QueryBuilders.termQuery("category", "test");
        queryHelper.addBoostFunction(filter, ScoreFunctionBuilders.weightFactorFunction(2.0f));

        QueryContext context = buildQuery("test");

                    final DocumentHelper documentHelper = ComponentUtil.getDocumentHelper();
                    context.addQuery(boolQuery -> {
                        boolQuery.filter(QueryBuilders.termQuery(fessConfig.getIndexFieldContentMinhashBits(),
                                documentHelper.decodeSimilarDocHash(similarDocHash)));
                    });
                }