def test_fizzbuzz_buzz(): assert calc_fizzbuzz(5) == 'Buzz'
def test_fizzbuzz_number(): assert calc_fizzbuzz(2) == '2'
def test_fizzbuzz_fizz(): assert calc_fizzbuzz(3) == 'Fizz'
def test_fizzbuzz_fizzbuzz(): assert calc_fizzbuzz(15) == 'FizzBuzz'