Marketplace tests update

app/services/marketplace_service.py

@@ -9,7 +9,7 @@ This module provides classes and functions for:
 """
 
 import logging
-from datetime import datetime
+from datetime import datetime, timezone
 from typing import List, Optional
 
 from sqlalchemy import func
@@ -106,7 +106,7 @@ class MarketplaceService:
                 shop_id=shop.id,  # Foreign key to shops table
                 shop_name=shop.shop_name,  # Use shop.shop_name (the display name)
                 user_id=user.id,
-                created_at=datetime.utcnow(),
+                created_at=datetime.now(timezone.utc),
             )
 
             db.add(import_job)
@@ -360,7 +360,7 @@ class MarketplaceService:
                 raise ImportJobCannotBeCancelledException(job_id, job.status)
 
             job.status = "cancelled"
-            job.completed_at = datetime.utcnow()
+            job.completed_at = datetime.now(timezone.utc)
 
             db.commit()
             db.refresh(job)