diff --git a/plone/app/discussion/tests/test_workflow.py b/plone/app/discussion/tests/test_workflow.py
index a2a08de..50e3e79 100644
--- a/plone/app/discussion/tests/test_workflow.py
+++ b/plone/app/discussion/tests/test_workflow.py
@@ -37,6 +37,8 @@ class WorkflowTest(PloneTestCase):
 
 class TestCommentOperations(PloneTestCase):
 
+    layer = DiscussionLayer
+    
     def afterSetUp(self):
 
         self.loginAsPortalOwner()