Silence py3k warning claiming to affect the random module

Lib/test/test_random.py

@@ -52,6 +52,8 @@ class TestBasicOps(unittest.TestCase):
         state3 = self.gen.getstate()    # s/b distinct from state2
         self.assertNotEqual(state2, state3)
 
+        # Silence py3k warnings
+        with test_support.check_warnings():
             self.assertRaises(TypeError, self.gen.jumpahead)  # needs an arg
             self.assertRaises(TypeError, self.gen.jumpahead, "ick")  # wrong type
             self.assertRaises(TypeError, self.gen.jumpahead, 2.3)  # wrong type