re-add expectedFailure as there is a bug about this.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39959 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/tests/testERP5Discussion.py

@@ -90,6 +90,7 @@ class TestERP5Discussion(ERP5TypeTestCase):
     self.stepCreateThread();
     self.stepTic()
 
+  @expectedFailure
   def test_02_createDiscussionPost(self):
     """Create a disucssion post inscite a discussion thread"""