Update test to handle list.__reversed__().
diff --git a/Lib/test/test_descrtut.py b/Lib/test/test_descrtut.py
index c904699..b895d6d 100644
--- a/Lib/test/test_descrtut.py
+++ b/Lib/test/test_descrtut.py
@@ -212,6 +212,7 @@
      '__reduce__',
      '__reduce_ex__',
      '__repr__',
+     '__reversed__',
      '__rmul__',
      '__setattr__',
      '__setitem__',