Add infra_libs as a bootstrap dependency.

appengine/chromium_try_flakes/status/test/cq_status_test.py

 # Copyright 2015 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 datetime
 import json
 import mock
 import urllib2
 
 from google.appengine.datastore import datastore_stub_util
 from google.appengine.ext import ndb
 from google.appengine.runtime import DeadlineExceededError
 
 import gae_ts_mon
 import main
 from model.build_run import BuildRun, PatchsetBuilderRuns
 from model.fetch_status import FetchStatus
 from model.flake import Flake, FlakyRun
 from status import cq_status
 from testing_utils import testing
-from time_functions.testing import mock_datetime_utc
+from infra_libs.time_functions.testing import mock_datetime_utc
 
 
 # Test results below capture various variants in which results may be processed.
 # Special attention should be paid to the 'issue' and 'patchset' fields as code
 # is expected to correctly process results from different issues and patchsets
 # independently of each other.
 TEST_CQ_STATUS_RESPONSE = json.dumps({
   'more': False,
   'cursor': '',
   'results': [
@@ skipping 595 matching lines @@
     self.assertEqual(set(Flake.get_by_id('foo').occurrences), set(new_flakes))
 
     # Kept old flakes since there are just 50 new flakes.
     self.assertEqual(len(Flake.get_by_id('bar').occurrences), 150)
 
     # Make sure that non existant flake got removed.
     self.assertNotIn(non_existant_flake, Flake.get_by_id('bar').occurrences)
 
     # Make sure that we do not delete any FlakyRun entities.
     self.assertEqual(FlakyRun.query().count(limit=300), 200)