diff --git a/tests/wpt/metadata/MANIFEST.json b/tests/wpt/metadata/MANIFEST.json
index a31f44d56fd..52c5996dee3 100644
--- a/tests/wpt/metadata/MANIFEST.json
+++ b/tests/wpt/metadata/MANIFEST.json
@@ -569833,7 +569833,7 @@
    "testharness"
   ],
   "html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html": [
-   "93d9bd7ab6dc10b762ba51d50612421adae3da36",
+   "d0e49ab44c3919e861bda39e01cda4fcbc1196fa",
    "testharness"
   ],
   "html/semantics/embedded-content/media-elements/readyState_during_loadeddata.html": [
diff --git a/tests/wpt/metadata/html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html.ini b/tests/wpt/metadata/html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html.ini
index e7e4ccec101..1fee36962cd 100644
--- a/tests/wpt/metadata/html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html.ini
+++ b/tests/wpt/metadata/html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html.ini
@@ -1,6 +1,5 @@
 [readyState_during_canplaythrough.html]
   type: testharness
-  expected: TIMEOUT
   [audio.readyState should be HAVE_ENOUGH_DATA during canplaythrough event]
-    expected: NOTRUN
+    expected: FAIL
 
diff --git a/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html b/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html
index 7ef7b5f74fa..2b1910dfd82 100644
--- a/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html
+++ b/tests/wpt/web-platform-tests/html/semantics/embedded-content/media-elements/readyState_during_canplaythrough.html
@@ -17,28 +17,24 @@
 test(function() {
   var t = async_test("audio.readyState should be HAVE_ENOUGH_DATA during canplaythrough event", {timeout:5000});
   var a = document.getElementById("a");
-  a.addEventListener("canplaythrough", function() {
-    t.step(function() {
-     assert_equals(a.readyState,
-      a.HAVE_ENOUGH_DATA);
-    });
+  a.addEventListener("error", t.unreached_func());
+  a.addEventListener("canplaythrough", t.step_func(function() {
+    assert_equals(a.readyState, a.HAVE_ENOUGH_DATA);
     t.done();
     a.pause();
-  }, false);
+  }), false);
   a.src = getAudioURI("/media/sound_5") + "?" + new Date() + Math.random();
 }, "audio events - readyState property during canplaythrough");
 
 test(function() {
   var t = async_test("video.readyState should be HAVE_ENOUGH_DATA during canplaythrough event", {timeout:5000});
   var v = document.getElementById("v");
-  v.addEventListener("canplaythrough", function() {
-    t.step(function() {
-     assert_equals(v.readyState,
-      v.HAVE_ENOUGH_DATA);
-    });
+  v.addEventListener("error", t.unreached_func());
+  v.addEventListener("canplaythrough", t.step_func(function() {
+    assert_equals(v.readyState, v.HAVE_ENOUGH_DATA);
     t.done();
     v.pause();
-  }, false);
+  }), false);
   v.src = getVideoURI("/media/movie_5") + "?" + new Date() + Math.random();
 }, "video events - readyState property during canplaythrough");
   </script>