swarmbucket: task TIMED_OUT is infra failure

appengine/cr-buildbucket/swarming/test/swarming_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 base64
 import contextlib
 import datetime
 import json
 
 from components import auth
@@ skipping 367 matching lines @@
         'status': model.BuildStatus.COMPLETED,
         'result': model.BuildResult.FAILURE,
         'failure_reason': model.FailureReason.INFRA_FAILURE,
       },
 
       {
         'task_result': {
           'state': 'EXPIRED',
         },
         'status': model.BuildStatus.COMPLETED,
-        'result': model.BuildResult.CANCELED,
-        'cancelation_reason': model.CancelationReason.TIMEOUT,
+        'result': model.BuildResult.FAILURE,
+        'failure_reason': model.FailureReason.INFRA_FAILURE,
       },
 
       {
         'task_result': {
           'state': 'CANCELED',
         },
         'status': model.BuildStatus.COMPLETED,
         'result': model.BuildResult.CANCELED,
         'cancelation_reason': model.CancelationReason.CANCELED_EXPLICITLY,
       },
@@ skipping 216 matching lines @@
     self.assertEqual(build.status, model.BuildStatus.COMPLETED)
     self.assertEqual(build.result, model.BuildResult.FAILURE)
     self.assertEqual(build.failure_reason, model.FailureReason.INFRA_FAILURE)
     self.assertIsNotNone(build.result_details)
     self.assertIsNone(build.lease_key)
     self.assertIsNotNone(build.complete_time)
 
 
 def b64json(data):
   return base64.b64encode(json.dumps(data))