revert r33618. this must be part of r34348.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34486 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Legacy/tests/testLegacyInvoice.py

@@ -2523,10 +2523,6 @@ class TestSaleInvoice(TestSaleInvoiceMixin, TestInvoice, ERP5TypeTestCase):
   # fix inheritance
   login = TestInvoiceMixin.login
 
-  def afterSetUp(self):
-    super(TestSaleInvoice, self).afterSetUp()
-    self.portal.portal_ids.setLastGeneratedId(0, id_group='Accounting_Transaction_Module-Sale_Invoice_Transaction')
-
   @UnrestrictedMethod
   def createCategories(self):
     TestPackingListMixin.createCategories(self)