def tests_should_return_one(self): self.assertEqual(fizz_buzz(3)[0], 1)
def test_should_return_fizz_buzz(self): self.assertEqual(fizz_buzz(15)[14], 'fizz_buzz')
def test_should_return_number(self): self.assertEqual(fizz_buzz(5)[3], 4)
def test_should_return_buzz(self): self.assertEqual(fizz_buzz(5)[4], 'buzz')