@Test
  @Rollback
  @Transactional(propagation = Propagation.REQUIRES_NEW)
  public void shouldCreateANewQuestionFromExistingVariable() {
    Question question = new Question();
    question.setValue("Test Question (timestamp:" + new Date().toString() + ")");
    question.setVariable(new Variable(30l));
    question.getOptions().add(new Methodology(1l));
    question.getOptions().add(new Methodology(2l));
    question.getOptions().add(new Methodology(3l));
    question = (Question) simpleDAO.save(question);
    assertNotNull(question.getId());

    Question savedQuestion =
        (Question)
            simpleDAO
                .createCriteria(Question.class)
                .add(Restrictions.eq("value", question.getValue()))
                .uniqueResult();
    assertEquals(question, savedQuestion);
    assertFalse(savedQuestion.getOptions().isEmpty());

    simpleDAO.delete(savedQuestion);

    Question deletedQuestion = (Question) simpleDAO.load(Question.class, savedQuestion.getId());
    assertNull(deletedQuestion);
  }
  @Test
  @Transactional(readOnly = true)
  @SuppressWarnings("unchecked")
  public void shouldGetQuestionsListing() {
    List<Question> questions = simpleDAO.createCriteria(Question.class).list();
    assertNotNull(questions);
    assertFalse(questions.isEmpty());

    for (Question question : questions) {
      assertNotNull(question.getValue());
      assertNotNull(question.getVariable());
      assertNotNull(question.getVariable().getName());
      assertNotNull(question.getOptions());
      assertNotNull(question.getHint());
      assertFalse(question.getOptions().isEmpty());
    }
  }