public void CheckForValidRating()
        {
            FeedbackValidator feedbackValidator = new FeedbackValidator();

            try
            {
                feedbackValidator.CheckRating(1);
                feedbackValidator.CheckRating(2);
                feedbackValidator.CheckRating(3);
                feedbackValidator.CheckRating(4);
                feedbackValidator.CheckRating(5);
            }
            catch (Exception)
            {
                Assert.IsTrue(false, "All ratings between 1 to 5 should be valid");
            }
        }
        public void CheckForZeroRating()
        {
            FeedbackValidator feedbackValidator = new FeedbackValidator();

            feedbackValidator.CheckRating(0);
        }
        public void CheckForRatingAbove5()
        {
            FeedbackValidator feedbackValidator = new FeedbackValidator();

            feedbackValidator.CheckRating(6);
        }
        public void CheckNegativeRating()
        {
            FeedbackValidator feedbackValidator = new FeedbackValidator();

            feedbackValidator.CheckRating(-1);
        }