Fix ChromeVox next tests that passed without actually running.

chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs

 // Copyright 2014 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.
 
 // Include test fixture.
 GEN_INCLUDE(['../../testing/chromevox_next_e2e_test_base.js']);
 
 GEN_INCLUDE(['../../testing/mock_tts.js']);
 
 /**
@@ skipping 162 matching lines @@
       <button id="go">Go</button>
       <script>
         document.getElementById('go').addEventListener('click', function() {
           document.getElementById('live').innerHTML = 'Hello, world';
         }, false);
       </script>
     */},
     function(rootNode) {
       var go = rootNode.find({ role: chrome.automation.RoleType.button });
       go.doDefault();
-      cvox.ChromeVox.tts.expectSpeech('Hello, world', testDone);
-      cvox.ChromeVox.tts.finishExpectations();
+      cvox.ChromeVox.tts.expectSpeech('Hello, world');
+      cvox.ChromeVox.tts.finishExpectations(this.newCallback());
     }.bind(this));
 });
 
 TEST_F('BackgroundTest', 'LiveRegionRemoveElement', function() {
   this.runWithLoadedTree(
     function() {/*!
       <h1>Document with live region</h1>
       <p id="live" aria-live="polite" aria-relevant="removals">Hello, world</p>
       <button id="go">Go</button>
       <script>
         document.getElementById('go').addEventListener('click', function() {
           document.getElementById('live').innerHTML = '';
         }, false);
       </script>
     */},
     function(rootNode) {
       var go = rootNode.find({ role: chrome.automation.RoleType.button });
       go.doDefault();
       cvox.ChromeVox.tts.expectSpeech('removed:');
-      cvox.ChromeVox.tts.expectSpeech('Hello, world', testDone);
-      cvox.ChromeVox.tts.finishExpectations();
+      cvox.ChromeVox.tts.expectSpeech('Hello, world');
+      cvox.ChromeVox.tts.finishExpectations(this.newCallback());
     }.bind(this));
 });
 
+// TODO(plundblad): This test finishes prematurely and breaks if that gets
+// fixed.
 TEST_F('BackgroundTest', 'ShowContextMenu', function() {
   this.runWithLoadedTree('<a href="a">a</a>',
     function(rootNode) {
       cvox.ChromeVox.tts.expectSpeech(' menu opened', testDone);
 
       var go = rootNode.find({ role: chrome.automation.RoleType.link });
       go.addEventListener('focus', function(e) {
         this.doCmd('showContextMenu')();
       }.bind(this), true);
       go.focus();
     }.bind(this));
 });
 
+// TODO(plundblad): This test finishes prematurely and breaks if that gets
+// fixed.
 TEST_F('BackgroundTest', 'InitialFocus', function() {
   this.runWithLoadedTree('<a href="a">a</a>',
     function(rootNode) {
       cvox.ChromeVox.tts.expectSpeech('a link', testDone);
 
       rootNode.focus();
     }.bind(this));
 });
 
+// TODO(plundblad): This test finishes prematurely and breaks if that gets
+// fixed.
 TEST_F('BackgroundTest', 'AriaLabel', function() {
   this.runWithLoadedTree('<a aria-label="foo" href="a">a</a>',
     function(rootNode) {
       cvox.ChromeVox.tts.expectSpeech('foo link', testDone);
 
       rootNode.focus();
     }.bind(this));
 });