Remove shadowed test
diff --git a/tests/testmock.py b/tests/testmock.py
index b6008d6..42824c5 100644
--- a/tests/testmock.py
+++ b/tests/testmock.py
@@ -1366,20 +1366,6 @@
             self.assertEqual(m.method_calls, [])
 
 
-    def test_attribute_deletion(self):
-        # this behaviour isn't *useful*, but at least it's now tested...
-        for Klass in Mock, MagicMock, NonCallableMagicMock, NonCallableMock:
-            m = Klass()
-            original = m.foo
-            m.foo = 3
-            del m.foo
-            self.assertEqual(m.foo, original)
-
-            new = m.foo = Mock()
-            del m.foo
-            self.assertEqual(m.foo, new)
-
-
     def test_mock_parents(self):
         for Klass in Mock, MagicMock:
             m = Klass()
@@ -1443,7 +1429,8 @@
 
 
     def test_attribute_deletion(self):
-        for mock in Mock(), MagicMock():
+        for mock in (Mock(), MagicMock(), NonCallableMagicMock(),
+                     NonCallableMock()):
             self.assertTrue(hasattr(mock, 'm'))
 
             del mock.m