Sort issues by their age in the commit queue.

tests/commit_queue_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 commit_queue.py."""
 
 import logging
 import os
 import StringIO
@@ skipping 16 matching lines @@
 
 
 class Stop(Exception):
   pass
 
 
 class PendingManagerMock(auto_stub.SimpleMock):
   def __init__(self, unit_test):
     super(PendingManagerMock, self).__init__(unit_test)
     self.context = context.Context(
-        mocks.RietveldMock(unit_test), mocks.SvnCheckoutMock(unit_test), None)
+        mocks.RietveldMock(unit_test),
+        mocks.SvnCheckoutMock(unit_test),
+        None,
+        'commit-bot@chromium.org')
     self.count = 0
 
   def load(self, *args, **kwargs):
     self._register_call(*args, **kwargs)
 
   def save(self, *args, **kwargs):
     self._register_call(*args, **kwargs)
 
   def close(self, *args, **kwargs):
     self._register_call(*args, **kwargs)
@@ skipping 136 matching lines @@
     self._check(
         'stderr',
         'CQ loop terminating\n'
         'Traceback (most recent call last):\n'
         'Stop\n\n'
         'Saving db...\ndb save successful.\n')
 
 
 if __name__ == '__main__':
   unittest.main()