consider delivery ration in divergence message.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23055 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Document/QuantityDivergenceTester.py

@@ -100,6 +100,7 @@ class QuantityDivergenceTester(PropertyDivergenceTester):
     # divergent even if the delivery quantity is 0
     if delivery_ratio is not None:
       d_quantity *= delivery_ratio
+      message.decision_value = d_quantity
       if delivery_ratio == 0 and quantity > 0:
         return [message]
     if d_quantity != quantity + d_error: