def test_get_card_str(self):
"""
Test that get_card_str() returns the appropriate
str representation of a card. Also test that it works
with hidden cards.
"""
card = Card('Hearts', 'King', 10)
self.assertEqual(card.get_card_str(), 'King of Hearts')
card.hidden = True
self.assertEqual(card.get_card_str(), '**')
