Fix failing unicode test caused by change to ast.c at r56441
diff --git a/Lib/test/test_unicode.py b/Lib/test/test_unicode.py
index b022300..ef6a722 100644
--- a/Lib/test/test_unicode.py
+++ b/Lib/test/test_unicode.py
@@ -55,9 +55,9 @@
     def test_literals(self):
         self.assertEqual(u'\xff', u'\u00ff')
         self.assertEqual(u'\uffff', u'\U0000ffff')
-        self.assertRaises(UnicodeError, eval, 'u\'\\Ufffffffe\'')
-        self.assertRaises(UnicodeError, eval, 'u\'\\Uffffffff\'')
-        self.assertRaises(UnicodeError, eval, 'u\'\\U%08x\'' % 0x110000)
+        self.assertRaises(SyntaxError, eval, 'u\'\\Ufffffffe\'')
+        self.assertRaises(SyntaxError, eval, 'u\'\\Uffffffff\'')
+        self.assertRaises(SyntaxError, eval, 'u\'\\U%08x\'' % 0x110000)
 
     def test_repr(self):
         if not sys.platform.startswith('java'):