assertFalse(qrList.equals("string"));
        assertTrue(qrList.equals(documentList)); // QueryResponseList equals delegates to parent list
    }

    @Test
    public void test_listOperations_boundaryIndexes() {
        List<Map<String, Object>> documentList = new ArrayList<>();
        Map<String, Object> doc1 = new HashMap<>();
        doc1.put("title", "Doc1");