public StringDataList createDataListWithStrangeStrings() {
        Request request = new Request();
        StringDataList dataList = new StringDataList(request);
        dataList.add(new StringDataItem(request, "f\\o\"o"));
        StringDataList secondLevel = new StringDataList(request);
        secondLevel.add(new StringDataItem(request, "b/a\br"));
        secondLevel.add(new StringDataItem(request, "f\f\no\ro\tbar\u0005"));
        dataList.add(secondLevel);
        return dataList;
    }
Validate we get a full response with a malformed response structure.
container-core/src/test/java/com/yahoo/processing/rendering/AsynchronousSectionedRendererTest.java