diff --git a/product/ERP5Banking/tests/TestERP5BankingMixin.py b/product/ERP5Banking/tests/TestERP5BankingMixin.py
index 1bdc9363763cc8e480a16e243fff26394e16d6be..e20ed3830a4965236ce3874a70cc99dd8b3eb737 100644
--- a/product/ERP5Banking/tests/TestERP5BankingMixin.py
+++ b/product/ERP5Banking/tests/TestERP5BankingMixin.py
@@ -282,6 +282,12 @@ class TestERP5BankingMixin:
     """
     return getattr(self.getPortal(), 'check_module', None)
 
+  def getAccountingDateModule(self):
+    """
+      Return the Accounting Date Module
+    """
+    return getattr(self.getPortal(), 'accounting_date_module', None)
+
   def getCounterDateModule(self):
     """
     Return the Counter Date Module