--- a/dom/media/test/test_trackelementevent.html
+++ b/dom/media/test/test_trackelementevent.html
@@ -27,31 +27,39 @@ SpecialPowers.pushPrefEnv({"set": [["med
     trackTwo.src = "bad-signature.vtt";
     trackTwo.kind = "captions";
 
     var trackThree = document.createElement("track");
     trackThree.src = "bad.vtt";
     trackThree.kind = "chapters";
 
     var events = 0;
-    function countEvent() {
-      ok(true, "A load or error event should have happened.");
+    function trackOneEvent() {
+      ok(true, "A load event for trackOne should have happened.");
+      events++ && events == 3 && SimpleTest.finish();
+    }
+    function trackTwoEvent() {
+      ok(true, "An error event for trackTwo should have happened.");
+      events++ && events == 3 && SimpleTest.finish();
+    }
+    function trackThreeEvent() {
+      ok(true, "An error event for trackThree should have happened.");
       events++ && events == 3 && SimpleTest.finish();
     }
 
     function shouldNotBeCalled() {
       ok(false, "Event should not have been called.");
     }
 
-    trackOne.addEventListener("load", countEvent);
+    trackOne.addEventListener("load", trackOneEvent);
     trackOne.addEventListener("error", shouldNotBeCalled)
     trackTwo.addEventListener("load", shouldNotBeCalled);
-    trackTwo.addEventListener("error", countEvent);
+    trackTwo.addEventListener("error", trackTwoEvent);
     trackThree.addEventListener("load", shouldNotBeCalled);
-    trackThree.addEventListener("error", countEvent);
+    trackThree.addEventListener("error", trackThreeEvent);
 
     document.getElementById("content").appendChild(video);
     video.appendChild(trackOne);
     video.appendChild(trackTwo);
     video.appendChild(trackThree);
   }
 );
 </script>