diff --git a/tests/phpunit/tests/media.php b/tests/phpunit/tests/media.php
index dfe5d15c82..fcfe7c3b33 100644
--- a/tests/phpunit/tests/media.php
+++ b/tests/phpunit/tests/media.php
@@ -396,10 +396,10 @@ VIDEO;
 			"<!--[if lt IE 9]><script>document.createElement(\'video\');</script><![endif]-->\n" .
 			'<video class="wp-video-shortcode" id="video-0-1" width="' . $w . '" height="' . $h . '" preload="metadata" controls="controls">' .
 			'<source type="video/mp4" src="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4" />' .
-			'<!-- WebM/VP8 for Firefox4, Opera, and Chrome --><source type="video/webm" src="myvideo.webm" />' .
-			'<!-- Ogg/Vorbis for older Firefox and Opera versions --><source type="video/ogg" src="myvideo.ogv" />' .
-			'<!-- Optional: Add subtitles for each language --><track kind="subtitles" src="subtitles.srt" srclang="en" />' .
-			'<!-- Optional: Add chapters --><track kind="chapters" src="chapters.srt" srclang="en" />' .
+			'<source type="video/webm" src="myvideo.webm" />' .
+			'<source type="video/ogg" src="myvideo.ogv" />' .
+			'<track kind="subtitles" src="subtitles.srt" srclang="en" />' .
+			'<track kind="chapters" src="chapters.srt" srclang="en" />' .
 			'<a href="http://domain.tld/wp-content/uploads/2013/12/xyz.mp4">' .
 			"http://domain.tld/wp-content/uploads/2013/12/xyz.mp4</a></video></div>\n";