define grouping reference when creating document

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@10195 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Banking/tests/testERP5BankingInternalMoneyDeposit.py

@@ -197,7 +197,9 @@ class TestERP5BankingInternalMoneyDeposit(TestERP5BankingMixin, ERP5TypeTestCase
                                                                                 source_value=None,
                                                                                 #destination_payment_value = self.bank_account_1,
                                                                                 resource_value = self.currency_1,
-                                                                        source_total_asset_price=20000.0)
+                                                                                source_total_asset_price=20000.0,
+                                                                                grouping_reference="lettering",
+                                                                                )
     # execute tic
     self.stepTic()
     # set source reference