diff -r 4b89ca0b11ad -r 96dba2efd16d server/test/data/schema.py
--- a/server/test/data/schema.py	Fri Jan 10 16:37:12 2014 +0100
+++ b/server/test/data/schema.py	Thu Oct 24 13:15:53 2013 +0200
@@ -1,4 +1,4 @@
-# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
+# copyright 2003-2013 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
 #
 # This file is part of CubicWeb.
@@ -94,7 +94,12 @@
                       'read':   ('managers', 'users', 'guests'),
                       'update': ('managers', ERQLExpression('X in_state S, S name "todo"')),
                       })
-
+    something = String(maxsize=1,
+                      __permissions__ = {
+                          'read': ('managers', 'users', 'guests'),
+                          'add': (ERQLExpression('NOT X para NULL'),),
+                          'update': ('managers', 'owners')
+                      })
     migrated_from = SubjectRelation('Note')
     attachment = SubjectRelation('File')
     inline1 = SubjectRelation('Affaire', inlined=True, cardinality='?*',
@@ -119,6 +124,7 @@
     tzdatenaiss = TZDatetime()
     test   = Boolean(__permissions__={
         'read': ('managers', 'users', 'guests'),
+        'add': ('managers',),
         'update': ('managers',),
         })
     description = String()