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

chrome/common/extensions/docs/server2/manifest_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.
 
 from copy import deepcopy
 import json
 import unittest
 
 from compiled_file_system import CompiledFileSystem
 from features_bundle import FeaturesBundle
+from future import Future
 import manifest_data_source
 from object_store_creator import ObjectStoreCreator
 
 
 convert_and_annotate_docs = {
   'name': {
     'example': "My {{title}}",
     'name': 'name',
     'level': 'required'
   },
@@ skipping 217 matching lines @@
             'platforms': ['apps'],
             'is_last': True
           }
         ],
         'is_last': True
       }
     ]
 
     class FakeFeaturesBundle(object):
       def GetManifestFeatures(self):
-        return manifest_features
+        return Future(value=manifest_features)
 
     class FakeServerInstance(object):
       def __init__(self):
         self.features_bundle = FakeFeaturesBundle()
         self.object_store_creator = ObjectStoreCreator.ForTest()
 
     mds = manifest_data_source.ManifestDataSource(FakeServerInstance(), None)
     self.assertEqual(expected_app, mds.get('apps'))
 
 if __name__ == '__main__':
   unittest.main()