tests: fix list

Author: giancarloromeo

packages/celery-library/tests/unit/test_tasks.py

@@ -207,9 +207,7 @@ async def test_listing_task_uuids_contains_submitted_task(
     ):
         with attempt:
             tasks = await celery_task_manager.list_tasks(task_context)
-            assert len(tasks) == 1
-            assert task_uuid == tasks[0].uuid
+            assert any(task.uuid == task_uuid for task in tasks)
 
         tasks = await celery_task_manager.list_tasks(task_context)
-        assert len(tasks) == 1
-        assert task_uuid == tasks[0].uuid
+        assert any(task.uuid == task_uuid for task in tasks)