public void PrintNumberIfTheNumberIsNotDividableByThreeOrFive()
        {
            var fz = new Classes.FizzBuzz();

            var text = fz.ReturnValueForLetters(1);

            Assert.AreEqual("1",text);
        }
        private void PrintFizzBuzzShouldTheNumberBeDeividableByThreeAndFive()
        {
            var fz = new Classes.FizzBuzz();

            var text = fz.ReturnValueForLetters(15);

            Assert.AreEqual("FizzBuzz",text);
        }
        public void PrintFizzSouldTheNumberBeDividableByThreeTest()
        {
            var fz = new Classes.FizzBuzz();

            var text = fz.ReturnValueForLetters(3);

            Assert.AreEqual("Fizz",text);
        }