Re-enable two ChromeVox tests that seem to be passing

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 52 matching lines @@
   assertEquals('object', typeof(cvox));
   assertEquals('function', typeof(cvox.ChromeVoxBackground));
 });
 
 /** Tests that ChromeVox next is in this context. */
 SYNC_TEST_F('BackgroundTest', 'NextNamespaces', function() {
   assertEquals('function', typeof(Background));
 });
 
 /** Tests feedback once a page loads. */
-TEST_F('BackgroundTest', 'MANUAL_InitialFeedback', function() {
+TEST_F('BackgroundTest', 'InitialFeedback', function() {
   cvox.ChromeVox.tts.expectSpeech('start', this.newCallback());
 
   this.runWithTab(function() {/*!
     <p>start
     <p>end
   */});
 });
 
 /** Tests consistency of navigating forward and backward. */
 TEST_F('BackgroundTest', 'MANUAL_ForwardBackwardNavigation', function() {
@@ skipping 60 matching lines @@
     var sendDownToSelect =
         this.sendKeyToElement.bind(this, undefined, 'Down', '#fruitSelect');
     var expect = cvox.ChromeVox.tts.expectSpeech.bind(cvox.ChromeVox.tts);
     expect('apple Menu item  1 of 3 ', sendDownToSelect, true);
     expect('grape  2 of 3 ', sendDownToSelect, true);
     expect('banana  3 of 3 ', function() {}, true);
     cvox.ChromeVox.tts.finishExpectations(this.newCallback());
   });
 });
 
-TEST_F('BackgroundTest', 'MANUAL_ContinuousRead', function() {
+TEST_F('BackgroundTest', 'ContinuousRead', function() {
   this.runWithLoadedTree(this.linksAndHeadingsDoc, function() {
     cvox.ChromeVox.tts.expectSpeech('start');
     cvox.ChromeVox.tts.expectSpeechAfter('start', this.doCmd('continuousRead'));
     cvox.ChromeVox.tts.expectSpeech('alpha');
     cvox.ChromeVox.tts.expectSpeech('Link');
     cvox.ChromeVox.tts.expectSpeech('beta');
     cvox.ChromeVox.tts.expectSpeech('Link');
     cvox.ChromeVox.tts.expectSpeech('Heading 1');
     cvox.ChromeVox.tts.expectSpeech('charlie');
     cvox.ChromeVox.tts.finishExpectations();
@@ skipping 64 matching lines @@
 });
 
 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));
 });