Adds mock to list items creation

bookwyrm/tests/views/test_list_actions.py

@@ -69,6 +69,7 @@ class ListActionViews(TestCase):
 
     def test_delete_list(self):
         """delete an entire list"""
+        with patch("bookwyrm.models.activitypub_mixin.broadcast_task.delay"):
             models.ListItem.objects.create(
                 book_list=self.list,
                 user=self.local_user,