public void IsFinishedTest()
 {
     _presentationModel.ClickStart(5, "Pick up questions randomly");
     Assert.IsFalse(_presentationModel.IsFinished());
     _presentationModel.ClickNext();
     Assert.IsFalse(_presentationModel.IsFinished());
     _presentationModel.ClickNext();
     Assert.IsFalse(_presentationModel.IsFinished());
     _presentationModel.ClickNext();
     Assert.IsFalse(_presentationModel.IsFinished());
     _presentationModel.ClickNext();
     Assert.IsFalse(_presentationModel.IsFinished());
     _presentationModel.ClickNext();
     Assert.IsTrue(_presentationModel.IsFinished());
     _presentationModel.GetNewQuiz();
     _presentationModel.ClickStart(10, "Pick up questions randomly");
     Assert.IsFalse(_presentationModel.IsFinished());
     _quiz.ClickNext();
     Assert.IsFalse(_presentationModel.IsFinished());
     _presentationModel.ClickStop();
     Assert.IsTrue(_presentationModel.IsFinished());
 }