def test_stand():
    bj = Blackjack()
    bj.player = BlackjackHand([0, 11])
    bj.dealer = BlackjackHand([2,3])
    bj.stand()
    assert len(bj.player) == 2 , "Player didn't stand"
    assert len(bj.dealer) >= 3, "Dealer didn't hit"