Fix test skipping in multibyte codec tests
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index e39b9ea..4a93e8c 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -935,7 +935,7 @@
             self.assertRaises(BytesWarning, operator.eq, bytearray(b''), '')
             self.assertRaises(BytesWarning, operator.ne, bytearray(b''), '')
         else:
-            # raise test.support.TestSkipped("BytesWarning is needed for this test: use -bb option")
+            # self.skipTest("BytesWarning is needed for this test: use -bb option")
             pass
 
     # Optimizations: