Name the main method correctly so the test is run
diff --git a/Lib/test/test_sax.py b/Lib/test/test_sax.py
index bfdd713..c582985 100644
--- a/Lib/test/test_sax.py
+++ b/Lib/test/test_sax.py
@@ -684,7 +684,7 @@
         self.assertRaises(SAXParseException, parser.parse, sio)
 
 
-def unittest_main():
+def test_main():
     run_unittest(MakeParserTest,
                  SaxutilsTest,
                  XmlgenTest,
@@ -693,4 +693,4 @@
                  XmlReaderTest)
 
 if __name__ == "__main__":
-    unittest_main()
+    test_main()