diff --git a/Lib/test/test_pyexpat.py b/Lib/test/test_pyexpat.py

index eba9058..2c8a164 100644

--- a/Lib/test/test_pyexpat.py

+++ b/Lib/test/test_pyexpat.py

@@ -610,11 +610,9 @@ class MalformedInputText(unittest.TestCase):

     def test2(self):

         xml = "\r\n"

         parser = expat.ParserCreate()

-        try:

+        err_pattern = r'XML declaration not well-formed: line 1, column \d+'

+        with self.assertRaisesRegexp(expat.ExpatError, err_pattern):

             parser.Parse(xml, True)

-            self.fail()

-        except expat.ExpatError as e:

-            self.assertEqual(str(e), 'XML declaration not well-formed: line 1, column 14')

 class ForeignDTDTests(unittest.TestCase):

     """