Unicode errors in various tests - not only in test_glob:

  test_glob
  test test_glob failed -- Traceback (most recent call last):
    File "c:\svn\py3k\lib\test\test_glob.py", line 87, in
test_glob_directory_names
      eq(self.glob('*', '*a'), [])
    File "c:\svn\py3k\lib\test\test_glob.py", line 41, in glob
      res = glob.glob(p)
    File "c:\svn\py3k\lib\glob.py", line 16, in glob
      return list(iglob(pathname))
    File "c:\svn\py3k\lib\glob.py", line 42, in iglob
      for name in glob_in_dir(dirname, basename):
    File "c:\svn\py3k\lib\glob.py", line 56, in glob1
      names = os.listdir(dirname)
  UnicodeDecodeError: 'utf8' codec can't decode bytes in position 27-31:
unexpected end of data