Fix 2 failing tests on windows.

editor/build/gsutilTest.py

 #!/usr/bin/python
 
 """Copyright 2012 the Dart project authors. All rights reserved.
 
 Python file to test gsutil.py.
 """
 import os
 import platform
 import shutil
 import tempfile
 import unittest
 import gsutil
 
+# access to protected members of gsutil.py
+# pylint: disable=W0212
 
 class TestGsutil(unittest.TestCase):
   """Class to test the gsutil.py class."""
   test_prefix = 'gs://'
   test_bucket = 'dart-editor-archive-testing'
   test_folder = 'unit-testing'
   build_count = 3
 
   def setUp(self):
     """Setup the test."""
@@ skipping 226 matching lines @@
       file_uri = upload_file.name
       full_gs_uri = '{0}/{1}'.format(object_uri,
                                      os.path.basename(upload_file.name))
       self._gsu.Copy(file_uri, full_gs_uri, False)
     finally:
       os.remove(upload_file.name)
 
 if __name__ == '__main__':
   unittest.main()