def test_should_return_fizzbuzz_when_multiple_of_5_and_3(self):
        num = 30
        fizz_buzz_study = FizzBuzzStudy()

        result = fizz_buzz_study.is_fizz_or_buzz(num)

        self.assertEqual("fizzbuzz", result)
    def test_should_return_number_when_not_multiple_of_5_or_3(self):
        num = 7
        fizz_buzz_study = FizzBuzzStudy()

        result = fizz_buzz_study.is_fizz_or_buzz(num)

        self.assertEqual(num, result)