def test_blackjack_push():
    bj = Blackjack()
    bj.status = 'playing'
    bj.player = BlackjackHand([13, 12])
    bj.dealer = BlackjackHand([0,11])
    bj._check_blackjack()
    assert bj.status == 'push'
def test_dealer_blackjack():
    bj = Blackjack()
    bj.status = 'playing'
    bj.player = BlackjackHand([1,2])
    bj.dealer = BlackjackHand([0,11])
    bj._check_blackjack()
    assert bj.status == 'house'