make sure that we can use Delivery_getVaultItemList in unit test

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@12810 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Banking/tests/TestERP5BankingMixin.py

@@ -616,6 +616,7 @@ class TestERP5BankingMixin:
       self.portal.manage_addProperty('reference_currency_id', 'EUR', type='string')
     else:
       self.portal._updateProperty('reference_currency_id', "EUR")
+    setattr(self.portal,'functionnal_test_mode',1)
     # the person module
     self.person_module = self.getPersonModule()
     # the organisation module