Remove testharness reference from Vibration manual tests - The testharness will result in 'Harness status: TIMEOUT' error info though the tests pass - Remove html xmlns attribute which is optional in HTML5 - Remove commentted lines too 
diff --git a/vibration/cancel-with-new-manual.html b/vibration/cancel-with-new-manual.html index 9c8044e..1cd9daf 100644 --- a/vibration/cancel-with-new-manual.html +++ b/vibration/cancel-with-new-manual.html 
@@ -1,5 +1,5 @@  <!DOCTYPE html> -<html xmlns='http://www.w3.org/1999/xhtml' lang='en'> +<html>  <head>  <meta charset='utf-8'/>  <title>Vibration API: cancel ongoing vibrate() with a new call to vibrate</title> @@ -7,11 +7,6 @@  <link rel='help' href='http://www.w3.org/TR/vibration/#methods'/>  <meta name='flags' content='dom, interact'/>  <meta name='assert' content='Cancel the pre-existing instance of the processing vibration patterns algorithm, if any.'/> - <!-- - When you review this test, please add - <link rel='reviewer' title='Your Name' href='mailto:your-email-address'/> - --> - <link rel='stylesheet' href='/resources/testharness.css' media='all'/>  </head>  <body>  <h1>Description</h1> @@ -22,9 +17,6 @@  failed.  </p>  <button id='vib'>Vibrate!</button> - <div id='log'></div> - <script src='/resources/testharness.js'></script> - <script src='/resources/testharnessreport.js'></script>  <script src='/common/vendor-prefix.js' data-prefixed-objects='[{"ancestors":["navigator"], "name":"vibrate"}]'></script>  <script>  if (undefined !== navigator.vibrate) {