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

home/tests.py

@@ -10,6 +10,7 @@ from collections import OrderedDict
 from unittest.mock import patch, MagicMock
 from django.core.exceptions import ObjectDoesNotExist
 import importlib
+from tests.utils.rarity import RARITY_MAPPING
 
 User = get_user_model()
 
@@ -74,13 +75,13 @@ class HomePageViewTests(TestCase):
         # Create trade offers with consistent rarities
         cls.common_trade = TradeOffer.objects.create(
             initiated_by=cls.friend_code,
-            rarity_icon='★',
+            rarity_icon=RARITY_MAPPING[1],
             rarity_level=1
         )
         
         cls.rare_trade = TradeOffer.objects.create(
             initiated_by=cls.friend_code,
-            rarity_icon='★★★',
+            rarity_icon=RARITY_MAPPING[3],
             rarity_level=3
         )