MD Settings: find language buttons more specifically in tests

chrome/test/data/webui/settings/languages_page_browsertest.js

 // Copyright 2016 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.
 
 /** @fileoverview Suite of tests for settings-languages-page. */
 
 /** @const {string} Path to root from chrome/test/data/webui/settings/. */
 var ROOT_PATH = '../../../../../';
 
 // Polymer BrowserTest fixture.
 GEN_INCLUDE(
     [ROOT_PATH + 'chrome/test/data/webui/polymer_browser_test_base.js']);
 // SettingsPageBrowserTest fixture.
 GEN_INCLUDE([ROOT_PATH +
              'chrome/test/data/webui/settings/settings_page_browsertest.js']);
 
 var languageSettings = languageSettings || {};
 
 /**
  * Test class for settings-languages-page UI.
  * @constructor
  * @extends {SettingsPageBrowserTest}
  */
-function SettingsLanguagesPageBrowserTest() {
-}
+function SettingsLanguagesPageBrowserTest() {}
 
 SettingsLanguagesPageBrowserTest.prototype = {
   __proto__: SettingsPageBrowserTest.prototype,
 
   /** @override */
   browsePreload: 'chrome://md-settings/advanced',
 
   /** @override */
   preLoad: function() {
     SettingsPageBrowserTest.prototype.preLoad.call(this);
@@ skipping 33 matching lines @@
 
     teardown(function(done) {
       if (this.isAtRoot())
         return done();
       this.backToRoot();
       setTimeout(done);
     }.bind(this));
 
     test('manage languages', function() {
       var manageLanguagesButton =
-          languagesPage.$.languagesCollapse.querySelector('.list-button');
+          languagesPage.$.languagesCollapse.querySelector(
+              '.list-button:last-of-type');
       MockInteractions.tap(manageLanguagesButton);
       assertTrue(!!languagesPage.$$('settings-manage-languages-page'));
     });
 
     test('language detail', function() {
       var languageButton = languagesPage.$.languagesCollapse.querySelector(
           '.list-item paper-icon-button[icon="cr:settings"]');
       assertTrue(!!languageButton);
       MockInteractions.tap(languageButton);
 
-      var languageDetailPage = languagesPage.$$(
-          'settings-language-detail-page');
+      var languageDetailPage =
+          languagesPage.$$('settings-language-detail-page');
       assertTrue(!!languageDetailPage);
       assertEquals('en-US', languageDetailPage.detail.language.code);
     });
 
     test('manage input methods', function() {
       var inputMethodsCollapse = languagesPage.$.inputMethodsCollapse;
       var inputMethodSettingsExist = !!inputMethodsCollapse;
       if (cr.isChromeOS) {
         assertTrue(inputMethodSettingsExist);
         var manageInputMethodsButton =
-            inputMethodsCollapse.querySelector('.list-button');
+            inputMethodsCollapse.querySelector('.list-button:last-of-type');
         MockInteractions.tap(manageInputMethodsButton);
         assertTrue(!!languagesPage.$$('settings-manage-input-methods-page'));
       } else {
         assertFalse(inputMethodSettingsExist);
       }
     });
 
     test('spellcheck', function() {
       var spellCheckCollapse = languagesPage.$.spellCheckCollapse;
       var spellCheckSettingsExist = !!spellCheckCollapse;
       if (cr.isMac) {
         assertFalse(spellCheckSettingsExist);
       } else {
         assertTrue(spellCheckSettingsExist);
-        MockInteractions.tap(spellCheckCollapse.querySelector('.list-button'));
+        MockInteractions.tap(
+            spellCheckCollapse.querySelector('.list-button:last-of-type'));
         assertTrue(!!languagesPage.$$('settings-edit-dictionary-page'));
       }
     });
   }.bind(this));
 
   // TODO(michaelpg): Test more aspects of the languages UI.
 
   // Run all registered tests.
   mocha.run();
 });