Stop printing listdir bytestring output, as the precise list of strings

returned depends on the filesystem encoding.

Lib/test/output/test_pep277

 test_pep277
 u'\xdf-\u66e8\u66e9\u66eb'
-['???', '???', '??????', '????????????', '????G\xdf', 'Ge??-sa?', 'Gr\xfc\xdf-Gott', 'abc', 'ascii']
 [u'Gr\xfc\xdf-Gott', u'abc', u'ascii', u'\u0393\u03b5\u03b9\u03ac-\u03c3\u03b1\u03c2', u'\u0417\u0434\u0440\u0430\u0432\u0441\u0442\u0432\u0443\u0439\u0442\u0435', u'\u05d4\u05e9\u05e7\u05e6\u05e5\u05e1', u'\u306b\u307d\u3093', u'\u66e8\u05e9\u3093\u0434\u0393\xdf', u'\u66e8\u66e9\u66eb']

Lib/test/test_pep277.py

@@ -78,11 +78,11 @@ class UnicodeFileTests(unittest.TestCase):
 
     def test_listdir(self):
         f1 = os.listdir(test_support.TESTFN)
-        f1.sort()
+        # Printing f1 is not appropriate, as specific filenames
+        # returned depend on the local encoding
         f2 = os.listdir(unicode(test_support.TESTFN,
                                 sys.getfilesystemencoding()))
         f2.sort()
-        print f1
         print f2
 
     def test_rename(self):