diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index ade6ee78cea..56e81207058 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -1080,8 +1080,10 @@ def test_helper_function(self):
         # test fidelity to the pure python version
         c = CounterSubclassWithSetItem('abracadabra')
         self.assertTrue(c.called)
+        self.assertEqual(dict(c), {'a': 5, 'b': 2, 'c': 1, 'd': 1, 'r':2 })
         c = CounterSubclassWithGet('abracadabra')
         self.assertTrue(c.called)
+        self.assertEqual(dict(c), {'a': 5, 'b': 2, 'c': 1, 'd': 1, 'r':2 })
 
 
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