diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index a139129..b3f460e 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -11,7 +11,6 @@
         self.assertEqual(Point.__slots__, ())
         self.assertEqual(Point.__module__, __name__)
         self.assertEqual(Point.__getitem__, tuple.__getitem__)
-        self.assert_('__getitem__' in Point.__dict__)                       # superclass methods localized
 
     def test_instance(self):
         Point = NamedTuple('Point', 'x y')
@@ -50,8 +49,10 @@
 
 
 def test_main(verbose=None):
+    import collections as CollectionsModule
     test_classes = [TestNamedTuple]
     test_support.run_unittest(*test_classes)
+    test_support.run_doctest(CollectionsModule, verbose)
 
 if __name__ == "__main__":
     test_main(verbose=True)