diff --git a/plone/app/discussion/tests/test_conversation.py b/plone/app/discussion/tests/test_conversation.py
index 4f6ada0..1347f49 100644
--- a/plone/app/discussion/tests/test_conversation.py
+++ b/plone/app/discussion/tests/test_conversation.py
@@ -47,8 +47,7 @@ class ConversationTest(PloneTestCase):
         self.assertEquals(aq_base(conversation[new_id].__parent__), aq_base(conversation))
         self.assertEquals(new_id, comment.comment_id)
         self.assertEquals(len(list(conversation.getComments())), 1)
-        # XXX: not yet implemented
-        # self.assertEquals(len(conversation.getThreads()), 1)
+        self.assertEquals(sum(1 for w in conversation.getThreads()), 1)
         self.assertEquals(conversation.total_comments, 1)
         self.assert_(conversation.last_comment_date - datetime.now() < timedelta(seconds=1))
 
@@ -68,8 +67,7 @@ class ConversationTest(PloneTestCase):
 
         # make sure the comment has been added
         self.assertEquals(len(list(conversation.getComments())), 1)
-        # XXX: not yet implemented
-        # self.assertEquals(len(conversation.getThreads()), 1)
+        self.assertEquals(sum(1 for w in conversation.getThreads()), 1)
         self.assertEquals(conversation.total_comments, 1)
 
         # delete the comment we just created
@@ -77,9 +75,7 @@ class ConversationTest(PloneTestCase):
 
         # make sure there is no comment left in the conversation
         self.assertEquals(len(list(conversation.getComments())), 0)
-
-        # XXX: not yet implemented
-        # self.assertEquals(len(conversation.getThreads()), 0)
+        self.assertEquals(sum(1 for w in conversation.getThreads()), 0)
         self.assertEquals(conversation.total_comments, 0)
 
     def test_delete_recursive(self):