modified so that organisations used for testItem are not deleted

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@28475 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testInvoice.py

@@ -135,7 +135,9 @@ class TestInvoiceMixin(TestPackingListMixin,
                    self.portal.sale_packing_list_module,
                    self.portal.purchase_packing_list_module,
                    self.portal.portal_simulation,):
-      folder.manage_delObjects(list(folder.objectIds()))
+      
+      folder.manage_delObjects([x for x in folder.objectIds() if x not in ('organisation_1','organisation_2')])
+     
     transaction.commit()
     self.tic()