remove duplicate test
diff --git a/Lib/test/test_with.py b/Lib/test/test_with.py
index b91e0fd..2dbae0e 100644
--- a/Lib/test/test_with.py
+++ b/Lib/test/test_with.py
@@ -283,15 +283,6 @@
         with Nested(mock_contextmanager_generator()):
             pass
 
-    def testSingleArgUnbound(self):
-        mock_contextmanager = mock_contextmanager_generator()
-        mock_nested = MockNested(mock_contextmanager)
-        with mock_nested:
-            self.assertInWithManagerInvariants(mock_contextmanager)
-            self.assertInWithManagerInvariants(mock_nested)
-        self.assertAfterWithManagerInvariantsNoError(mock_contextmanager)
-        self.assertAfterWithManagerInvariantsNoError(mock_nested)
-
     def testSingleArgBoundToNonTuple(self):
         m = mock_contextmanager_generator()
         # This will bind all the arguments to nested() into a single list