V8: Make sure infra failures fail overall build

scripts/slave/recipes/v8.py

 # 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.
 
 DEPS = [
   'archive',
   'chromium',
   'depot_tools/gclient',
   'recipe_engine/json',
   'recipe_engine/path',
@@ skipping 97 matching lines @@
 
   yield (
     api.v8.test(
         'client.v8.branches',
         'V8 Linux - beta branch',
         'branch_sync_failure',
     ) +
     api.step_data('bot_update', retcode=1)
   )
 
+  yield (
+    api.v8.test(
+        'client.v8',
+        'V8 Linux',
+        'swarming_collect_failure',
+    ) +
+    api.step_data('Check', retcode=1)
+  )
+
   # Simulate a tryjob triggered by the CQ for setting up different swarming
   # default tags.
   yield (
     api.v8.test(
         'tryserver.v8',
         'v8_linux_rel_ng_triggered',
         'triggered_by_cq',
         requester='commit-bot@chromium.org',
         patch_project='v8',
         blamelist=['dude@chromium.org'],
@@ skipping 266 matching lines @@
     ) +
     api.override_step_data(
         'generate_build_files', api.raw_io.stream_output(
             'Writing """\\\n'
             'goma_dir = "/b/build/slave/cache/cipd/goma"\n'
             'target_cpu = "x64"\n'
             'use_goma = true\n'
             '""" to /path/to/args.gn.\n'
             'moar\n'))
   )