feat: integrate operator queue into Campaign

tests/test_access_provider.py

@@ -9,6 +9,7 @@ from govoplan_access.backend.db.models import Account, Group, User
 from govoplan_campaign.backend.capabilities import CampaignAccessService
 from govoplan_campaign.backend.db.models import Campaign, CampaignShare
 from govoplan_core.core.access import PrincipalRef
+from govoplan_core.core.change_sequence import ChangeSequenceEntry
 from govoplan_core.db.base import Base
 
 
@@ -72,7 +73,17 @@ class CampaignAccessProviderTests(unittest.TestCase):
 
 def _session():
     engine = create_engine("sqlite:///:memory:", future=True)
-    Base.metadata.create_all(bind=engine, tables=[Account.__table__, User.__table__, Group.__table__, Campaign.__table__, CampaignShare.__table__])
+    Base.metadata.create_all(
+        bind=engine,
+        tables=[
+            Account.__table__,
+            User.__table__,
+            Group.__table__,
+            Campaign.__table__,
+            CampaignShare.__table__,
+            ChangeSequenceEntry.__table__,
+        ],
+    )
     return sessionmaker(bind=engine, future=True)()