fix(container-test): batch create segment position sort (#25394)

api/tests/test_containers_integration_tests/tasks/test_batch_create_segment_to_index_task.py

         from extensions.ext_database import db
 
         # Check that segments were created
-        segments = db.session.query(DocumentSegment).filter_by(document_id=document.id).all()
+        segments = (
+            db.session.query(DocumentSegment)
+            .filter_by(document_id=document.id)
+            .order_by(DocumentSegment.position)
+            .all()
+        )
         assert len(segments) == 3
 
         # Verify segment content and metadata