private void WhenGetTutorialIsCalled() throws Exception {
   tutorial =
       tutorialPresenter.GetTutorial(
           "testClassName",
           "test query",
           linesOfCode,
           wordInfoList,
           "blank source",
           oriWordInfoList);
 }
 @Test
 public final void GetTutorialReturnsNullOnPassingInvalidParams() throws Exception {
   wordInfo.wordToBeBlanked = "new";
   wordInfo.lineNumber = 2;
   wordInfo.blankType = BlankType.Text;
   wordInfo.columnNumber = 10;
   wordInfoList.add(wordInfo);
   tutorial =
       tutorialPresenter.GetTutorial(
           "sampleName", "query", linesOfCode, wordInfoList, "blank source", oriWordInfoList);
   assertEquals(null, tutorial);
 }