Disable testStartupOptionsHomepage on CrOS

chrome/test/functional/PYAUTO_TESTS

 # Copyright (c) 2012 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.
 #
 # This file lists the pyauto tests that run as a part of the functional test
 # suite.
 #
 # Tests can be enabled on a per-platform basis. Tests not listed here will
 # not be run.
 #
@@ skipping 682 matching lines @@
       'chromeos_onc',
       'policy',
       'policy_prefs_ui',
       # crbug.com/115427
       '-policy.PolicyTest.testAlwaysAuthorizePlugins',
       # crbug.com/118054
       '-policy.PolicyTest.testApplicationLocaleValue',
       # crbug.com/118123
       '-policy.PolicyTest.testExtensionInstallFromForceList',
       '-policy.PolicyTest.testSetDownloadDirectory',
+      # This tests the value "0" for the RestoreOnStartup policy, which is not
+      # supported on ChromeOS.
+      '-policy.PolicyTest.testStartupOptionsHomepage',
     ],
   },
 
   # ChromeOS volume tests.
   'CHROMEOS_VOLUME': {
     'chromeos': [
       'chromeos_volume',
     ],
   },
 
@@ skipping 34 matching lines @@
 
   # HTML5 media performance tests.
   'AV_PERF': {
      'linux': [
        'media.media_constrained_network_perf',
        'media.media_stat_perf',
        'media.media_seek_perf',
      ],
   },
 }