public void TestFizz()
 {
     //Inputting multiples of 3
     Assert.AreEqual("Fizz", fb.FizzBuzzProgram(3));
     Assert.AreEqual("Fizz", fb.FizzBuzzProgram(-3));
     Assert.AreEqual("Fizz", fb.FizzBuzzProgram(-6));
     Assert.AreEqual("Fizz", fb.FizzBuzzProgram(42));
 }