@Test
 public void testFizzBuzz() {
   FizzBuzzKata fb = new FizzBuzzKata();
   assertEquals("1", fb.fizzBuzz(1));
   assertEquals("Fizz", fb.fizzBuzz(3));
   assertEquals("Buzz", fb.fizzBuzz(5));
   assertEquals("FizzBuzz?", fb.fizzBuzz(15));
   assertEquals("13", fb.fizzBuzz(13));
   assertEquals("Buzz", fb.fizzBuzz(35));
   assertEquals("53", fb.fizzBuzz(53));
   assertEquals("Fizz", fb.fizzBuzz(54));
   assertEquals("58", fb.fizzBuzz(58));
 }
 @Test
 public void testFizzBuzzStage2() {
   FizzBuzzKata fb = new FizzBuzzKata();
   assertEquals("1", fb.fizzBuzzStage2(1));
   assertEquals("Fizz", fb.fizzBuzzStage2(3));
   assertEquals("Buzz", fb.fizzBuzzStage2(5));
   assertEquals("FizzBuzz?", fb.fizzBuzzStage2(15));
   assertEquals("Fizz", fb.fizzBuzzStage2(13));
   assertEquals("FizzBuzz?", fb.fizzBuzzStage2(35));
   assertEquals("FizzBuzz?", fb.fizzBuzzStage2(53));
   assertEquals("FizzBuzz?", fb.fizzBuzzStage2(54));
   assertEquals("Buzz", fb.fizzBuzzStage2(58));
 }