fixup! scalability_test: script to create some sales order

bt5/erp5_scalability_test/SkinTemplateItem/portal_skins/erp5_scalability_test/ERP5Site_createScalabilityTestSaleOrderBatch.py

@@ -69,7 +69,7 @@ for brain in portal.portal_catalog(
   simulation_state='confirmed',):
   spl = brain.getObject()
   if spl.getSimulationState() == 'confirmed' and not spl.hasActivity():
-    spl.cancel()
+    spl.activate().cancel() # XXX activate because we sometimes have conflict errors here
 
 # undo redirect from SaleOrder_applySaleTradeCondition
 container.REQUEST.RESPONSE.setStatus(200)