Re-enable two ChromeVox tests that seem to be passing

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

Index: chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs
diff --git a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs
index f14f64909f8efe8ded847d95951e0a3e58aeb08b..252549364813e2e1e3e611da1224e4718af88236 100644
--- a/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs
+++ b/chrome/browser/resources/chromeos/chromevox/cvox2/background/background_test.extjs
@@ -70,7 +70,7 @@ SYNC_TEST_F('BackgroundTest', 'NextNamespaces', function() {
 });
 
 /** 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() {/*!
@@ -151,7 +151,7 @@ TEST_F('BackgroundTest', 'DISABLED_SelectSingleBasic', function() {
   });
 });
 
-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'));