def test_sixes():
dice = Yatzy(1, 6, 3, 6, 5)
assert dice.sixes() == 12, "fallo en función sixes, primer assert"
dice = Yatzy(1, 4, 4, 3, 4)
assert dice.sixes() == 0, "fallo en función sixes, segundo assert"
dice = Yatzy(5, 5, 3, 5, 6)
assert dice.sixes() == 6, "fallo en función sixes, tercer assert"
def test_sixes():
assert 0 == Yatzy.sixes(4, 4, 4, 5, 5)
assert 6 == Yatzy.sixes(4, 4, 6, 5, 5)
assert 18 == Yatzy.sixes(6, 5, 6, 6, 5)
