rule should be asserted with its reference instead of its id.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31865 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testInvoice.py

@@ -258,7 +258,7 @@ class TestInvoiceMixin(TestPackingListMixin,
     invoicing_rule = invoicing_rule_list[0]
     sequence.edit(invoicing_rule = invoicing_rule)
     for invoicing_rule in invoicing_rule_list:
-      self.assertEquals(invoicing_rule.getSpecialiseId(),
+      self.assertEquals(invoicing_rule.getSpecialiseReference(),
           'default_invoicing_rule')
       self.assertEquals(invoicing_rule.getPortalType(),
           'Applied Rule')