diff -r c4a70a5dd144 -r 42079f752a9c server/test/data/schema.py
--- a/server/test/data/schema.py	Tue Sep 14 08:48:44 2010 +0200
+++ b/server/test/data/schema.py	Thu Sep 16 18:56:35 2010 +0200
@@ -20,7 +20,8 @@
                             SubjectRelation, RichString, String, Int, Float,
                             Boolean, Datetime)
 from yams.constraints import SizeConstraint
-from cubicweb.schema import (WorkflowableEntityType, RQLConstraint,
+from cubicweb.schema import (WorkflowableEntityType,
+                             RQLConstraint, RQLUniqueConstraint,
                              ERQLExpression, RRQLExpression)
 
 class Affaire(WorkflowableEntityType):
@@ -94,7 +95,10 @@
 
     migrated_from = SubjectRelation('Note')
     attachment = SubjectRelation('File')
-    inline1 = SubjectRelation('Affaire', inlined=True, cardinality='?*')
+    inline1 = SubjectRelation('Affaire', inlined=True, cardinality='?*',
+                              constraints=[RQLUniqueConstraint('S type T, S inline1 A1, A1 todo_by C, '
+                                                              'Y type T, Y inline1 A2, A2 todo_by C',
+                                                               'S,Y')])
     todo_by = SubjectRelation('CWUser')
 
 class Personne(EntityType):