tested property can be multiple.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@32172 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/mixin/rule.py

@@ -181,7 +181,7 @@ class RuleMixin:
      """
     if exclude_quantity:
       return filter(lambda x:x.isDivergenceProvider() and \
-                    x.getTestedProperty() != 'quantity', self.objectValues(
+                    'quantity' in x.getTestedPropertyList(), self.objectValues(
         portal_type=self.getPortalDivergenceTesterTypeList()))
     else:
       return filter(lambda x:x.isDivergenceProvider(), self.objectValues(