move SharedKeyTests to test_descr

1 files changed, 2 insertions, 24 deletions

diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index 18e6b0a89c..ec10752e6a 100644
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -1,6 +1,6 @@
 # Python test set -- part 6, built-in types
 
-from test.support import run_unittest, run_with_locale, cpython_only
+from test.support import run_unittest, run_with_locale
 import collections
 import pickle
 import locale
@@ -1170,31 +1170,9 @@ class SimpleNamespaceTests(unittest.TestCase):
             self.assertEqual(ns, ns_roundtrip, pname)
 
 
-class SharedKeyTests(unittest.TestCase):
-
-    @cpython_only
-    def test_subclasses(self):
-        # Verify that subclasses can share keys (per PEP 412)
-        class A:
-            pass
-        class B(A):
-            pass
-
-        a, b = A(), B()
-        self.assertEqual(sys.getsizeof(vars(a)), sys.getsizeof(vars(b)))
-        self.assertLess(sys.getsizeof(vars(a)), sys.getsizeof({}))
-        a.x, a.y, a.z, a.w = range(4)
-        self.assertNotEqual(sys.getsizeof(vars(a)), sys.getsizeof(vars(b)))
-        a2 = A()
-        self.assertEqual(sys.getsizeof(vars(a)), sys.getsizeof(vars(a2)))
-        self.assertLess(sys.getsizeof(vars(a)), sys.getsizeof({}))
-        b.u, b.v, b.w, b.t = range(4)
-        self.assertLess(sys.getsizeof(vars(b)), sys.getsizeof({}))
-
-
 def test_main():
     run_unittest(TypesTests, MappingProxyTests, ClassCreationTests,
-                 SimpleNamespaceTests, SharedKeyTests)
+                 SimpleNamespaceTests)
 
 if __name__ == '__main__':
     test_main()