private static AssessmentItem createAssessmentItem() {
    AssessmentItem assessmentItem =
        AssessmentItemFactory.createAssessmentItem(QTI21QuestionType.sc, "Single choice");

    // define correct answer
    Identifier responseDeclarationId = Identifier.assumedLegal("RESPONSE_1");
    Identifier correctResponseId = IdentifierGenerator.newAsIdentifier("sc");
    ResponseDeclaration responseDeclaration =
        createSingleChoiceCorrectResponseDeclaration(
            assessmentItem, responseDeclarationId, correctResponseId);
    assessmentItem
        .getNodeGroups()
        .getResponseDeclarationGroup()
        .getResponseDeclarations()
        .add(responseDeclaration);

    // outcomes
    appendDefaultOutcomeDeclarations(assessmentItem, 1.0d);

    // the single choice interaction
    ItemBody itemBody = appendDefaultItemBody(assessmentItem);
    ChoiceInteraction choiceInteraction =
        appendChoiceInteraction(itemBody, responseDeclarationId, 1, true);

    appendSimpleChoice(choiceInteraction, "New answer", correctResponseId);

    // response processing
    ResponseProcessing responseProcessing =
        createResponseProcessing(assessmentItem, responseDeclarationId);
    assessmentItem
        .getNodeGroups()
        .getResponseProcessingGroup()
        .setResponseProcessing(responseProcessing);
    return assessmentItem;
  }
 @Before
 public void before() {
   context = new DummyValidationContext();
   recorder = new NotificationRecorder(NotificationLevel.WARNING);
   context.addNotificationListener(recorder);
   item = new AssessmentItem();
   itemBody = new ItemBody(item);
   item.setItemBody(itemBody);
   paragraph = new P(itemBody);
   itemBody.getNodeGroups().getBlockGroup().getChildren().add(paragraph);
   apipAccessibility = new ApipAccessibility(item);
   item.setApipAccessibility(apipAccessibility);
   accessibilityInfo = new AccessibilityInfo(apipAccessibility);
   apipAccessibility.setAccessibilityInfo(accessibilityInfo);
   accessElement = new AccessElement(accessibilityInfo);
   accessibilityInfo.getAccessElements().add(accessElement);
 }