Resolve campaign worker jobs to tenants

tests/test_sending_jobs.py

@@ -60,6 +60,19 @@ class CampaignQueueSelectionTests(unittest.TestCase):
         self.assertIsNotNone(capability)
         configure.assert_called_once_with(registry=registry, settings=settings)
 
+    def test_delivery_task_capability_resolves_job_tenant_before_effect(self):
+        capability = delivery_tasks_capability(
+            SimpleNamespace(registry=object(), settings=object())
+        )
+        session = SimpleNamespace(
+            get=lambda _model, _job_id: SimpleNamespace(tenant_id="tenant-1")
+        )
+
+        self.assertEqual(
+            "tenant-1",
+            capability.tenant_id_for_job(session, job_id="job-1"),
+        )
+
     def test_selects_queueable_jobs_without_reclassifying_retry_states(self):
         skipped_send = _job("1", send_status=JobSendStatus.FAILED_TEMPORARY.value)
         skipped_queue = _job("2", queue_status=JobQueueStatus.PAUSED.value)