bpo-35712: Make using NotImplemented in a boolean context issue a deprecation warning (GH-13195)

diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py
index d2e1218..96cc8de2 100644
--- a/Lib/test/test_descr.py
+++ b/Lib/test/test_descr.py
@@ -2526,9 +2526,9 @@
         except TypeError:
             pass
 
-        # Two essentially featureless objects, just inheriting stuff from
-        # object.
-        self.assertEqual(dir(NotImplemented), dir(Ellipsis))
+        # Two essentially featureless objects, (Ellipsis just inherits stuff
+        # from object.
+        self.assertEqual(dir(object()), dir(Ellipsis))
 
         # Nasty test case for proxied objects
         class Wrapper(object):