Make the test of chr() overflow pass.
(Sigh. There are so many redundant tests.)
diff --git a/Lib/test/test_exceptions.py b/Lib/test/test_exceptions.py
index 27ddf72..56a990d 100644
--- a/Lib/test/test_exceptions.py
+++ b/Lib/test/test_exceptions.py
@@ -99,7 +99,7 @@
         except TypeError: pass
 
         self.raise_catch(ValueError, "ValueError")
-        self.assertRaises(ValueError, chr, sys.maxunicode+1)
+        self.assertRaises(ValueError, chr, 17<<16)
 
         self.raise_catch(ZeroDivisionError, "ZeroDivisionError")
         try: x = 1/0