Adds SSO auth to gsutil

tests/download_from_google_storage_unittests.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 # pylint: disable=W0212
 
 """Unit tests for download_from_google_storage.py."""
 
 import optparse
 import os
@@ skipping 57 matching lines @@
   def cleanUp(self):
     shutil.rmtree(self.temp_dir)
 
   def test_gsutil(self):
     gsutil = download_from_google_storage.Gsutil(GSUTIL_DEFAULT_PATH, None)
     self.assertEqual(gsutil.path, GSUTIL_DEFAULT_PATH)
     code, _, err = gsutil.check_call()
     self.assertEqual(code, 0)
     self.assertEqual(err, '')
 
-  def test_gsutil_version(self):
-    gsutil = download_from_google_storage.Gsutil(GSUTIL_DEFAULT_PATH, None)
-    _, _, err = gsutil.check_call('version')
-    err_lines = err.splitlines()
-    self.assertEqual(err_lines[0], 'gsutil version 3.25')
-    self.assertEqual(
-        err_lines[1],
-        'checksum c9cffb512f467c0aa54880788b9ee6ca (OK)')
-
   def test_get_sha1(self):
     lorem_ipsum = os.path.join(self.base_path, 'lorem_ipsum.txt')
     self.assertEqual(
         download_from_google_storage.get_sha1(lorem_ipsum),
         '7871c8e24da15bad8b0be2c36edc9dc77e37727f')
 
   def test_get_md5(self):
     lorem_ipsum = os.path.join(self.base_path, 'lorem_ipsum.txt')
     self.assertEqual(
         upload_to_google_storage.get_md5(lorem_ipsum),
@@ skipping 196 matching lines @@
           ('check_call',
            ('ls',
             '-L',
             'gs://sometesturl/7871c8e24da15bad8b0be2c36edc9dc77e37727f')))
     self.assertEqual(self.gsutil.history, expected_calls)
     self.assertEqual(code, 0)
 
 
 if __name__ == '__main__':
   unittest.main()