diff --git a/addons/sale/test/process/cancel_order.yml b/addons/sale/test/process/cancel_order.yml
index e5d971c419c..b3c4a5ba62e 100644
--- a/addons/sale/test/process/cancel_order.yml
+++ b/addons/sale/test/process/cancel_order.yml
@@ -1,21 +1,20 @@
 -
   In order to test the cancel sale order.
 -
-  Now I cancel quotation.
+  Now I cancel Quotation.
 -
   !python {model: sale.order}: |
     self.action_cancel(cr, uid, [ref("order7")])
 -
-  I check state of quotation after cancelled.
+  I check state of Quotation after cancelled.
 -
-  !assert {model: sale.order, id: order7}:
+  !assert {model: sale.order, id: order7, string: sale order should be in cancel state}:
     - state == 'cancel'
 -
   I set cancelled quotation to draft.
 -
   !python {model: sale.order}: |
     self.action_cancel_draft(cr, uid, [ref("order7")])
-
 -
   I confirm order
 -
@@ -26,13 +25,13 @@
   !python {model: stock.picking}: |
     delivery_orders = self.search(cr, uid, [('sale_id','=',ref("order7"))])
     first_picking = self.browse(cr, uid, delivery_orders[0], context=context)
-    if first_picking.force_assign(context=context):
+    if first_picking.force_assign(cr, uid, first_picking):
       print first_picking.move_lines
       first_move = first_picking.move_lines[0]
       values = {'move%s'%(first_move.id): {'product_qty': 5}}
       first_picking.do_partial(values, context=context)
 -
-  Now I cancel a lastest shipment
+  Now I cancel latest shipment
 -
   !python {model: stock.picking}: |
     import netsvc
@@ -48,7 +47,7 @@
 -
   I check order status in "Ship Exception".
 -
-  !assert {model: sale.order, id: order7}:
+  !assert {model: sale.order, id: order7, string: Sale order should be in shipping exception}:
     - state == "ship_except"
 -
   Now I regenerate shipment
@@ -57,7 +56,7 @@
 -
   I check state of order in 'In Progress'.
 -
-  !assert {model: sale.order, id: order7}:
+  !assert {model: sale.order, id: order7, string: Sale order should be In Progress state}:
     - state == 'progress'
 -
   I make invoice for order
@@ -67,14 +66,15 @@
   To cancel the sale order from Invoice Exception, I have to cancel the invoice of sale order.
 -
   !python {model: sale.order}: |
+    import netsvc
     invoice_ids = self.browse(cr, uid, ref("order7")).invoice_ids
+    wf_service = netsvc.LocalService("workflow")
     first_invoice_id = invoice_ids[0]
-    wf_service.trg_validate(uid, 'account.invoice', first_invoice_id, 'invoice_cancel', cr)
-
+    wf_service.trg_validate(uid, 'account.invoice', first_invoice_id.id, 'invoice_cancel', cr)
 -
   I check order status in "Invoice Exception" and related invoice is in cancel state.
 -
-  !assert {model: sale.order, id: order7}:
+  !assert {model: sale.order, id: order7, string: Sale order should be in Invoice Exception state}:
     - state == "invoice_except", "Order should be in Invoice Exception state after cancel Invoice"
 -
   Then I click on the Ignore Exception button.
@@ -84,9 +84,6 @@
 -
   I check state of order in 'In Progress'.
 -
-  !assert {model: sale.order, id: order7}:
+  !assert {model: sale.order, id: order7, string: Sale order should be In progress state}:
     - state == 'progress'
-  
-      
-