def test_refresh(self):
deck = Deck(1)
for i in range(10):
deck.get_id()
assert deck.num_cards < 51
deck.refresh()
assert deck.num_cards == 52
def test_get_id(self):
deck = Deck(1)
assert deck.num_cards == 52
id = deck.get_id()
assert type(id) == int
assert 0 <= id < 52
assert deck.num_cards == 51