test_game_invite: guard BillPost import with skipUnless — fixes CI loader error

Top-level import of apps.billboard.models.BillPost blew up the test module at collection time because the model doesn't exist yet. Wrap in try/except + @skipUnless so the tests skip cleanly rather than erroring the whole pipeline.

Code architected by Disco DeDisco <discodedisco@outlook.com>
Git commit message Co-Authored-By:
Claude Sonnet 4.6 <noreply@anthropic.com>

src/functional_tests/test_game_invite.py

@@ -34,9 +34,17 @@ from django.test import tag
 from selenium import webdriver
 from selenium.webdriver.common.by import By
 
+import unittest
+
 from apps.applets.models import Applet
-from apps.billboard.models import BillPost
 from apps.epic.models import DeckVariant, GateSlot, Room, RoomInvite, TableSeat
+
+try:
+    from apps.billboard.models import BillPost
+    _BILLPOST_READY = True
+except ImportError:
+    BillPost = None
+    _BILLPOST_READY = False
 from apps.lyric.models import User
 from functional_tests.base import FunctionalTest
 from functional_tests.test_room_role_select import _fill_room_via_orm
@@ -72,6 +80,7 @@ def _make_second_browser():
 
 # ── Sprint 3 ─────────────────────────────────────────────────────────────────
 
+@unittest.skipUnless(_BILLPOST_READY, "BillPost not yet implemented")
 @tag("two-browser")
 class GameInviteNotificationTest(FunctionalTest):
     """Sprint 3: founder sends invite → INVITE: BillPost appears in invitee's My Posts."""
@@ -136,6 +145,7 @@ class GameInviteNotificationTest(FunctionalTest):
 
 # ── Sprint 4 ─────────────────────────────────────────────────────────────────
 
+@unittest.skipUnless(_BILLPOST_READY, "BillPost not yet implemented")
 class GameInviteBillPostTest(FunctionalTest):
     """Sprint 4: BillPost invite page — _billpost_invite.html partial, OK/BYE, BYE dismisses."""
 
@@ -235,6 +245,7 @@ class GameInviteBillPostTest(FunctionalTest):
 
 # ── Sprint 5 ─────────────────────────────────────────────────────────────────
 
+@unittest.skipUnless(_BILLPOST_READY, "BillPost not yet implemented")
 class GameInviteDeckValidationTest(FunctionalTest):
     """Sprint 5: OK deck validation — disabled without valid deck; on join, deck locked."""