diff --git a/plone/app/discussion/tests/functional_test_comments.txt b/plone/app/discussion/tests/functional_test_comments.txt
index 8d4dd66..d22440b 100644
--- a/plone/app/discussion/tests/functional_test_comments.txt
+++ b/plone/app/discussion/tests/functional_test_comments.txt
@@ -89,7 +89,7 @@ Login as admin.
 
     >>> from plone.app.testing import setRoles
     >>> from plone.app.testing import TEST_USER_NAME
-    >>> setRoles(portal, TEST_USER_NAME, ['Manager'])
+    >>> setRoles(portal, 'manager', ['Manager'])
 
 Post a comment as admin.