make sure current_app exists in setUp

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@11761 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -472,6 +472,10 @@ def setupERP5Site( business_template_list=(),
     try:
       if app is None:
         app = ZopeTestCase.app()
+      # this app will be closed after setUp, but keep an reference anyway, to
+      # make it's REQUEST available during setup
+      global current_app
+      current_app = app
       if not hasattr(aq_base(app), portal_name):
         try:
           _start = time.time()