--- a/devtools/test/unittest_testlib.py	Thu Aug 01 15:51:22 2013 +0200
+++ b/devtools/test/unittest_testlib.py	Thu Aug 01 10:59:52 2013 +0200
@@ -1,4 +1,4 @@
-# copyright 2003-2012 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.
@@ -20,7 +20,9 @@
 from cStringIO import StringIO
 
 from unittest import TextTestRunner
+
 from logilab.common.testlib import TestSuite, TestCase, unittest_main
+from logilab.common.registry import yes
 
 from cubicweb.devtools import htmlparser
 from cubicweb.devtools.testlib import CubicWebTC
@@ -172,5 +174,20 @@
             self.assertTrue(rdef.permissions['add'])
         self.assertTrue(rdef.permissions['read'], ())
 
+    def test_temporary_appobjects_registered(self):
+        class AnAppobject(object):
+            __registries__ = ('hip',)
+            __regid__ = 'hop'
+            __select__ = yes()
+            registered = None
+            @classmethod
+            def __registered__(cls, reg):
+                cls.registered = reg
+
+        with self.temporary_appobjects(AnAppobject):
+            self.assertEqual(self.vreg['hip'], AnAppobject.registered)
+            self.assertIn(AnAppobject, self.vreg['hip']['hop'])
+        self.assertNotIn(AnAppobject, self.vreg['hip']['hop'])
+
 if __name__ == '__main__':
     unittest_main()

--- a/devtools/testlib.py	Thu Aug 01 15:51:22 2013 +0200
+++ b/devtools/testlib.py	Thu Aug 01 10:59:52 2013 +0200
@@ -461,6 +461,10 @@
         self.vreg._loadedmods.setdefault(self.__module__, {})
         for obj in appobjects:
             self.vreg.register(obj)
+            registered = getattr(obj, '__registered__', None)
+            if registered:
+                for registry in obj.__registries__:
+                    registered(self.vreg[registry])
         try:
             yield
         finally: