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diff --git a/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-insert-ready-state.html b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-insert-ready-state.html
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+++ b/testing/web-platform/tests/html/semantics/embedded-content/media-elements/track/track-element/track-remove-insert-ready-state.html
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+<!DOCTYPE html>
+<title>Attaching a media element again to the document, having a child track that failed loading doesn't block video from playing</title>
+<script src="/common/media.js"></script>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<video>
+ <track src="resources/no-webvtt.vtt" kind="captions" default>
+</video>
+<script>
+ async_test(function(t) {
+ var video = document.querySelector('video');
+ video.src = getVideoURI('/media/test');
+ video.oncanplaythrough = t.step_func(canplaythrough);
+
+ function canplaythrough() {
+ video.oncanplaythrough = null;
+ var track = document.querySelector('track');
+
+ // Track should have error as ready state.
+ assert_equals(track.readyState, HTMLTrackElement.ERROR);
+
+ // Remove the video element from body.
+ document.body.removeChild(video);
+
+ // Reset the video src attribute to re-trigger resource selection for tracks.
+ video.src = getVideoURI('/media/test');
+
+ // Append the video element back to the body.
+ document.body.appendChild(video);
+
+ assert_equals(track.readyState, HTMLTrackElement.ERROR);
+
+ video.onplaying = t.step_func_done();
+ video.play();
+ // The video should start playing.
+ }
+ });
+</script>