Clean up tests

Author: StanFromIreland

Lib/test/test_codecs.py

@@ -3895,13 +3895,12 @@ def search_function(encoding):
         self.assertEqual(NOT_FOUND, codecs.lookup('a\xe9\u20ac-8'))
 
     def test_encodings_normalize_encoding(self):
+        # encodings.normalize_encoding() ignores non-ASCII characters.
         normalize = encodings.normalize_encoding
         self.assertEqual(normalize('utf_8'), 'utf_8')
+        self.assertEqual(normalize('utf\xE9\u20AC\U0010ffff-8'), 'utf_8')
         self.assertEqual(normalize('utf   8'), 'utf_8')
 
-        # encodings.normalize_encoding() does not accept non-ASCII characters.
-        self.assertRaises(UnicodeEncodeError, normalize, 'utf\xE9\u20AC\U0010ffff-8')
-
         # encodings.normalize_encoding() doesn't convert
         # characters to lower case.
         self.assertEqual(normalize('UTF 8'), 'UTF_8')