fix test_metaclass
diff --git a/Lib/test/test_metaclass.py b/Lib/test/test_metaclass.py
index d8195dd..000bcf5 100644
--- a/Lib/test/test_metaclass.py
+++ b/Lib/test/test_metaclass.py
@@ -128,7 +128,7 @@
     ...
     Traceback (most recent call last):
     [...]
-    TypeError: __build_class__() got multiple values for keyword argument 'metaclass'
+    SyntaxError: keyword argument repeated
     >>>
 
 Another way.