remove test_support.TestSkipped and just use unittest.SkipTest
diff --git a/Lib/test/test_macostools.py b/Lib/test/test_macostools.py
index 5c83d28..6110ce3 100644
--- a/Lib/test/test_macostools.py
+++ b/Lib/test/test_macostools.py
@@ -93,7 +93,7 @@
 def test_main():
     # Skip on wide unicode
     if len(u'\0'.encode('unicode-internal')) == 4:
-        raise test_support.TestSkipped("test_macostools is broken in USC4")
+        raise unittest.SkipTest("test_macostools is broken in USC4")
     test_support.run_unittest(TestMacostools)