qrList.add(0, doc2);
        assertEquals(2, qrList.size());
        assertEquals(doc2, qrList.get(0));
        assertEquals(doc1, qrList.get(1));
    }

    public void test_listOperations_addAll() {
        List<Map<String, Object>> documentList = new ArrayList<>();
        QueryResponseList qrList = new QueryResponseList(documentList, 0, 10, 0);