diff --git a/plone/app/discussion/testing.py b/plone/app/discussion/testing.py
index 076bf82..31abcc2 100644
--- a/plone/app/discussion/testing.py
+++ b/plone/app/discussion/testing.py
@@ -16,6 +16,8 @@ class PloneAppDiscussion(PloneSandboxLayer):
 
     USER_NAME = 'johndoe'
     USER_PASSWORD = 'secret'
+    MEMBER_NAME = 'janedoe'
+    MEMBER_PASSWORD = 'secret'
     USER_WITH_FULLNAME_NAME = 'jim'
     USER_WITH_FULLNAME_FULLNAME = 'Jim Fulton'
     USER_WITH_FULLNAME_PASSWORD = 'secret'
@@ -38,6 +40,12 @@ class PloneAppDiscussion(PloneSandboxLayer):
         acl_users.userFolderAddUser(
             self.USER_NAME,
             self.USER_PASSWORD,
+            [],
+            [],
+        )
+        acl_users.userFolderAddUser(
+            self.MEMBER_NAME,
+            self.MEMBER_PASSWORD,
             ['Member'],
             [],
         )
diff --git a/plone/app/discussion/tests/functional_test_comments.txt b/plone/app/discussion/tests/functional_test_comments.txt
index 1421afc..c05508d 100644
--- a/plone/app/discussion/tests/functional_test_comments.txt
+++ b/plone/app/discussion/tests/functional_test_comments.txt
@@ -95,11 +95,33 @@ Check if comment has been added properly.
      
     >>> "Comment from admin" in browser.contents
     True
-    
+
 
 Post a comment as user
 ----------------------
 
+Login as user (without the 'Member' role).
+
+    >>> browser.open(portal_url + '/logout')
+    >>> browser.open(portal_url + '/login_form')
+    >>> browser.getControl(name='__ac_name').value = 'johndoe'
+    >>> browser.getControl(name='__ac_password').value = 'secret'
+    >>> browser.getControl(name='submit').click()
+    
+Users without the 'Reply to item' permission will not see the comment form,
+because they don't have the 'Reply to item' permission. By default, this
+permission is only granted to the 'Member' role.
+
+    >>> 'form.widgets.text' in browser.contents
+    False
+    
+    >>> 'form.buttons.comment' in browser.contents
+    False
+
+
+Post a comment as member
+------------------------
+
 Login as user 'jim'. 
 
     >>> browser.open(portal_url + '/logout')