Disable flaky LanguagesOptionsDictionaryDownloadWebUITest

chrome/browser/ui/webui/options/language_options_dictionary_download_browsertest.js

 // 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.
 
 GEN_INCLUDE(['options_browsertest_base.js']);
 
 /**
  * TestFixture for testing messages of dictionary download progress in language
  * options WebUI.
  * @extends {testing.Test}
@@ skipping 33 matching lines @@
     // Enable when failure is resolved.
     // AX_TEXT_04: http://crbug.com/570553
     this.accessibilityAuditConfig.ignoreSelectors(
         'linkWithUnclearPurpose',
         '#languagePage > .content-area > .language-options-header > A');
   },
 };
 
 // Verify that dictionary download success does not show, "This language can't
 // be used for spellchecking." or "Download failed."
+// Disabled due to flakiness (crbug.com/616550).
 TEST_F('LanguagesOptionsDictionaryDownloadWebUITest',
-       'testdictionaryDownloadSuccess',
+       'DISABLED_testdictionaryDownloadSuccess',
        function() {
   options.LanguageOptions.onDictionaryDownloadSuccess('en-US');
   expectTrue($('spellcheck-language-message').hidden);
   expectTrue($('language-options-dictionary-downloading-message').hidden);
   expectTrue($('language-options-dictionary-download-failed-message').hidden);
   expectTrue(
       $('language-options-dictionary-download-fail-help-message').hidden);
 });
 
 // Verify that dictionary download in progress shows 'Downloading spell check
 // language' message.
+// Disabled due to flakiness (crbug.com/616550).
 TEST_F('LanguagesOptionsDictionaryDownloadWebUITest',
-       'testdictionaryDownloadProgress',
+       'DISABLED_testdictionaryDownloadProgress',
        function() {
   options.LanguageOptions.onDictionaryDownloadBegin('en-US');
   expectTrue($('spellcheck-language-message').hidden);
   expectFalse($('language-options-dictionary-downloading-message').hidden);
   expectTrue($('language-options-dictionary-download-failed-message').hidden);
   expectTrue(
       $('language-options-dictionary-download-fail-help-message').hidden);
 });
 
 // Verify that failure in dictionary download shows 'Dictionary download failed'
@@ skipping 32 matching lines @@
 TEST_F('LanguagesOptionsDictionaryDownloadWebUITest',
        'testdictionaryDownloadRetry',
        function() {
   this.mockHandler.expects(once()).retryDictionaryDownload('en-US').
       will(callFunction(function() {
         options.LanguageOptions.onDictionaryDownloadBegin('en-US');
       }));
   options.LanguageOptions.onDictionaryDownloadFailure('en-US');
   $('dictionary-download-retry-button').click();
 });