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));
}