fixed more unittests

--HG--
branch : trunk
diff --git a/jinja2/runtime.py b/jinja2/runtime.py
index e1bf486..e0630cc 100644
--- a/jinja2/runtime.py
+++ b/jinja2/runtime.py
@@ -277,7 +277,7 @@
                     self._undefined_name
                 )
             else:
-                hint = '%r object has no attribute %s' % (
+                hint = '%r object has no attribute %r' % (
                     self._undefined_obj.__class__.__name__,
                     self._undefined_name
                 )