fix: avoid reliance on notification order

Author: Lukasz Kawka

tests/e2e/push_notifications/notifications_app.py

@@ -2,7 +2,7 @@
 
 from typing import Annotated
 
-from fastapi import FastAPI, Path, Request, HTTPException
+from fastapi import FastAPI, HTTPException, Path, Request
 
 
 def create_notifications_app() -> FastAPI:

tests/e2e/push_notifications/test_default_push_notification_support.py

@@ -123,8 +123,9 @@ async def test_notification_triggering_with_in_message_config_e2e(
         f'{notifications_server}/tasks/{task_id}/notifications',
         n=2,
     )
-    assert notifications[0]['status']['state'] == 'submitted'
-    assert notifications[1]['status']['state'] == 'completed'
+    states = [notification['status']['state'] for notification in notifications]
+    assert 'completed' in states
+    assert 'submitted' in states
 
 
 @pytest.mark.asyncio