diff -r 000000000000 -r b97547f5f1fa server/test/data/migrschema/Folder2.py
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/server/test/data/migrschema/Folder2.py	Wed Nov 05 15:52:50 2008 +0100
@@ -0,0 +1,25 @@
+from cubicweb.schema import format_constraint
+
+class Folder2(MetaUserEntityType):
+    """folders are used to classify entities. They may be defined as a tree.
+    When you include the Folder entity, all application specific entities
+    may then be classified using the "filed_under" relation.
+    """
+    name = String(required=True, indexed=True, internationalizable=True,
+                  constraints=[UniqueConstraint(), SizeConstraint(64)])
+    description_format = String(meta=True, internationalizable=True,
+                                default='text/rest', constraints=[format_constraint])
+    description = String(fulltextindexed=True)
+
+    filed_under2 = BothWayRelation(
+        SubjectRelation('Folder2', description=_("parent folder")),
+        ObjectRelation('*'),
+        )
+
+
+class filed_under2(MetaUserRelationType):
+    """indicates that an entity is classified under a folder"""
+    # is_about has been renamed into filed_under
+    #//* is_about Folder
+    #* filed_under Folder
+