Map<String, Object> dataMap = new HashMap<>();
        // Case where the initial dataMap also contains overwrite keys
        dataMap.put("m", "M0");
        dataMap.put("n.overwrite", "N0_old");

        Map<String, Object> responseDataMap = new HashMap<>();
        responseDataMap.put("m.overwrite", "M1");
        responseDataMap.put("n.overwrite", "N1");
        responseDataMap.put("p", "P1");

        assertEquals(0, deletedDocIdList.size());

        deletedDocIdList.clear();
        oldDocList.clear();
        oldDocList.add(new HashMap<>(Map.of(//
                "_id", "001_OLD", // same id
                "config_id", "W01", //
                "doc_id", "1", //
                "url", "http://test.com/001"//
        )));
        documentSizeByQuery = oldDocList.size();