assertEquals("/go/?rt=123&docId=doc123&queryId=q1&order=0", source.getGoUrl());
    }

    // ========== searchWithQuery with filters tests ==========

    @Test
    public void test_searchWithQuery_filters_null() {
        final List<Map<String, Object>> result = chatClient.testSearchWithQueryFiltered(null, Collections.emptyMap(), new String[0]);
        assertTrue(result.isEmpty());