Fix test_main function so test_bytes can be run by regrtest.py.
diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index ce224c2..fc911ac 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -101,7 +101,7 @@
 
 
 def test_main():
-    test.test_support.run_unittest(XrangeTest)
+    test.test_support.run_unittest(BytesTest)
 
 
 if __name__ == "__main__":