diff --git a/Lib/test/test_unittest.py b/Lib/test/test_unittest.py
index d815a11..4f89d87 100644
--- a/Lib/test/test_unittest.py
+++ b/Lib/test/test_unittest.py
@@ -3203,7 +3203,7 @@
 
         result = MockResult()
         test = TestableTest('testNothing')
-        test._result = result
+        test._resultForDoCleanups = result
 
         exc1 = Exception('foo')
         exc2 = Exception('bar')