slapos_subscription_request: expect Sale Packing List to use a Software Product

master/bt5/slapos_subscription_request/TestTemplateItem/portal_components/test.erp5.testSlapOSSubscriptionScenario.py

@@ -1105,7 +1105,7 @@ return dict(vads_url_already_registered="%s/already_registered" % (payment_trans
     self.assertEqual(len(sale_packing_list.objectValues()), 2)
 
     sale_packing_list_line = [ i for i in sale_packing_list.objectValues()
-      if i.getResource() == "service_module/slapos_instance_subscription"][0]
+      if i.getResourceValue().getPortalType() == "Software Product"][0]
 
     quantity = subscription_request.getQuantity()
     if sale_trade_condition.getPriceCurrency() == "currency_module/CNY":