Make step status EXCEPTION when test runner has infrastructure failure.

scripts/slave/recipes/android/appurify.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.
 
 from infra.libs.infra_types import freeze
 from slave import recipe_api
 
 DEPS = [
   'amp',
   'bot_update',
@@ skipping 78 matching lines @@
 })
 
 REPO_URL = 'svn://svn-mirror.golo.chromium.org/chrome/trunk/src'
 
 AMP_INSTANCE_ADDRESS = '172.22.21.180'
 AMP_INSTANCE_PORT = '80'
 AMP_INSTANCE_PROTOCOL = 'http'
 AMP_RESULTS_BUCKET = 'chrome-amp-results'
 
 def GenSteps(api):
+  api.amp.setup()
+
   mastername = api.properties['mastername']
   buildername = api.properties['buildername']
   builder = BUILDERS[mastername][buildername]
   api.chromium_android.configure_from_properties(
       builder['config'],
       REPO_NAME='src',
       REPO_URL=REPO_URL,
       INTERNAL=False,
       BUILD_CONFIG=builder['target'])
 
@@ skipping 130 matching lines @@
             revision='4f4b02f6b7fa20a3a25682c457bbc8ad589c8a00',
             buildername=buildername,
             slavename='slavename',
             mastername=mastername) +
         api.override_step_data(
             'analyze',
             api.json.output({
                 'status': 'Found dependency',
                 'targets': ['android_webview_unittests'],
                 'build_targets': ['android_webview_unittests_apk']})) +
-        api.step_data('[collect] android_webview_unittests', retcode=1)
+        api.step_data('[collect] android_webview_unittests', retcode=1) +
+        # Infrastructure failure
+        api.step_data('[collect] base_unittests', retcode=87)
       )
 
   yield (
       api.test('analyze_no_compilation') +
       api.properties.generic(
           mastername='tryserver.chromium.linux',
           buildername='android_amp_rel_tests_recipe',
           slavename='slavename') +
       api.override_step_data(
           'analyze', api.json.output({'status': 'No compile necessary'})))
 
   yield (
       api.test('analyze_no_tests') +
       api.properties.generic(
           mastername='tryserver.chromium.linux',
           buildername='android_amp_rel_tests_recipe',
           slavename='slavename') +
       api.override_step_data(
           'analyze',
           api.json.output({
               'status': 'Found dependency',
               'targets': [],
               'build_targets': ['base_unittests']})))