@Override
        public void data(Data data) {
            StringData stringData = checkInstanceData(data);
            try {
                stream.write((" data" + stringData.getString()).getBytes(CHARSET));
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
Validate we get a full response with a malformed response structure.
container-core/src/test/java/com/yahoo/processing/rendering/AsynchronousSectionedRendererTest.java