Docserver: Make the hand-written Cron methods run first rather than last, since

chrome/common/extensions/docs/server2/sidenav_data_source_test.py

 #!/usr/bin/env python
 # Copyright 2013 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.
 
 import json
 import unittest
 
 from compiled_file_system import CompiledFileSystem
 from mock_file_system import MockFileSystem
@@ skipping 133 matching lines @@
 
   def testCron(self):
     file_system = TestFileSystem({
       'apps_sidenav.json': '[{ "title": "H1" }]' ,
       'extensions_sidenav.json': '[{ "title": "H2" }]'
     }, relative_to='docs/templates/json')
 
     # Ensure Cron doesn't rely on request.
     sidenav_data_source = SidenavDataSource(
         ServerInstance.ForTest(file_system), request=None)
-    sidenav_data_source.Cron()
+    sidenav_data_source.Cron().Get()
 
     # If Cron fails, apps_sidenav.json will not be cached, and the _cache_data
     # access will fail.
     # TODO(jshumway): Make a non hack version of this check.
     sidenav_data_source._cache._file_object_store.Get(
         'docs/templates/json/apps_sidenav.json').Get()._cache_data
 
 
 if __name__ == '__main__':
   unittest.main()