public void IsFinishedTest()
{
_quiz.ClickStart(5, "Pick up questions randomly");
for (int i = 0; i < 5; i++)
{
Assert.IsFalse(_quiz.IsFinished());
_quiz.ClickNext();
}
Assert.IsTrue(_quiz.IsFinished());
_quiz.ClickStart(10, "Pick up questions randomly");
Assert.IsFalse(_quiz.IsFinished());
_quiz.ClickNext();
Assert.IsFalse(_quiz.IsFinished());
_quiz.ClickStop();
Assert.IsTrue(_quiz.IsFinished());
}