Use hyphen for gerrit.skip-ensure-authenticated

tests/git_cl_test.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.
 
 """Unit tests for git_cl.py."""
 
 import os
 import StringIO
 import stat
@@ skipping 662 matching lines @@
     self.mock(git_cl.sys, 'stdout', StringIO.StringIO())
     self.calls = (
         self._dcommit_calls_1() +
         self._dcommit_calls_bypassed() +
         self._dcommit_calls_3())
     git_cl.main(['dcommit', '--bypass-hooks'])
 
 
   @classmethod
   def _gerrit_ensure_auth_calls(cls, issue=None, skip_auth_check=False):
-    cmd = ['git', 'config', '--bool', 'gerrit.skip_ensure_authenticated']
+    cmd = ['git', 'config', '--bool', 'gerrit.skip-ensure-authenticated']
     if skip_auth_check:
       return [((cmd, ), 'true')]
 
     calls = [((cmd, ), '', subprocess2.CalledProcessError(1, '', '', '', ''))]
     if issue:
       calls.extend([
           ((['git', 'config', 'branch.master.gerritserver'],), ''),
       ])
     calls.extend([
         ((['git', 'config', 'branch.master.merge'],), 'refs/heads/master'),
@@ skipping 681 matching lines @@
     # TODO(tandrii): consider testing just set-commit and set-commit --clear,
     # but without copy-pasting tons of expectations, as modifying them later is
     # super tedious.
     self.assertEqual(0, git_cl.main(['set-commit', '-d']))
 
 
 if __name__ == '__main__':
   git_cl.logging.basicConfig(
       level=git_cl.logging.DEBUG if '-v' in sys.argv else git_cl.logging.ERROR)
   unittest.main()