Fix friend_code max length issues in tests, and fix in_game_name length issues, also update tests to fit more scenarios

cards/tests.py

@@ -9,6 +9,7 @@ from accounts.models import CustomUser, FriendCode
 from cards.models import Card, Deck, DeckNameTranslation, CardNameTranslation
 from trades.models import TradeOffer, TradeOfferHaveCard, TradeOfferWantCard
 from cards.templatetags import card_badge, card_multiselect
+from tests.utils.rarity import RARITY_MAPPING
 
 class CardsModelsTests(TestCase):
     def setUp(self):
@@ -19,15 +20,15 @@ class CardsModelsTests(TestCase):
             name="Test Card",
             cardset="A",
             cardnum=1,
-            style="color: blue;",
-            rarity_icon="★",
+            style="default",
+            rarity_icon=RARITY_MAPPING[1],
             rarity_level=1
         )
         # Establish many-to-many relationship.
         self.card.decks.add(self.deck)
 
     def test_card_str(self):
-        expected = f"{self.card.name} {self.card.rarity_icon} {self.card.cardset}"
+        expected = f"{self.card.name} ({self.card.cardset} #{self.card.cardnum})"
         self.assertEqual(str(self.card), expected)
 
     def test_deck_str(self):
@@ -158,8 +159,8 @@ class CardsViewsTests(TestCase):
             name="Test Card",
             cardset="A",
             cardnum=1,
-            style="background: red;",
-            rarity_icon="★",
+            style="default",
+            rarity_icon=RARITY_MAPPING[1],
             rarity_level=1
         )