--- a/dom/media/test/test_info_leak.html
+++ b/dom/media/test/test_info_leak.html
@@ -24,17 +24,17 @@ https://bugzilla.mozilla.org/show_bug.cg
 /** Test for Bug 478957 **/
 
 // Tests whether we leak events and state change info when loading stuff from local files from a webserver.
 
 var manager = new MediaTestManager;
 
 var gEventTypes = [ 'loadstart', 'progress', 'suspend', 'abort', 'error', 'emptied', 'stalled', 'play', 'pause', 'loadedmetadata', 'loadeddata', 'waiting', 'playing', 'canplay', 'canplaythrough', 'seeking', 'seeked', 'timeupdate', 'ended', 'ratechange', 'durationchange', 'volumechange' ];
 
-var gExpectedEvents = ['ratechange', 'loadstart', 'error'];
+var gExpectedEvents = ['loadstart', 'error'];
 
 function createTestArray() {
   var tests = [];
   var tmpVid = document.createElement("video");
 
   for (var testNum=0; testNum<gInfoLeakTests.length; testNum++) {
     var test = gInfoLeakTests[testNum];
     if (!tmpVid.canPlayType(test.type)) {

--- a/dom/media/test/test_load.html
+++ b/dom/media/test/test_load.html
@@ -89,17 +89,17 @@ function prependSource(src, type) {
 var gTests = [
   {
     // Test 0: adding video to doc, then setting src should load implicitly.
     create:
       function(src, type) {
         document.body.appendChild(gMedia);
         gMedia.src = src;
       },
-    expectedEvents: ['ratechange',  'loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
+    expectedEvents: ['loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
   }, {
     // Test 1: adding video to doc, then adding source.
     create:
       function(src, type) {
         document.body.appendChild(gMedia);
         addSource(src, type);
       },
     expectedEvents: ['loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
@@ -117,17 +117,17 @@ var gTests = [
   }, {
     // Test 3:  video with bad src, good <source>, ensure that <source> aren't used.
     create:
       function(src, type) {
         gMedia.src = "404a";
         addSource(src, type);
         document.body.appendChild(gMedia);
       },
-    expectedEvents: ['ratechange', 'loadstart', 'error']
+    expectedEvents: ['loadstart', 'error']
   }, {
     // Test 4:  video with only bad source, loading, then adding a good source
     // -  should resume load.
     create:
       function(src, type) {
         addSource("404a", type);
         var s2 = addSource("404b", type);
         s2.addEventListener("error",
@@ -165,17 +165,17 @@ var gTests = [
     create:
       function(src, type) {
         gMedia.preload = "none";
         gMedia.src = src;
         document.body.appendChild(gMedia);
         addSource(src, type);
         gMedia.load();
       },
-    expectedEvents: ['emptied', 'ratechange',  'loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
+    expectedEvents: ['emptied',  'loadstart', 'durationchange', 'loadedmetadata', 'loadeddata']
   }
 ];
 
 function nextTest() {
   if (gMedia) {
     for (var i=0; i<gEventTypes.length; i++) {
       gMedia.removeEventListener(gEventTypes[i], listener);
     }

--- a/dom/media/test/test_playback_rate.html
+++ b/dom/media/test/test_playback_rate.html
@@ -81,17 +81,17 @@ function afterNullPlaybackRate(e) {
 
   ok(t.currentTime == t.oldCurrentTime, t.name + ": Current time should not change when playbackRate is null (" + t.currentTime + " " + t.oldCurrentTime + ").");
   ok(!t.paused, t.name + ": The element should not be in paused state.");
   t.removeEventListener("paused", onpaused);
   is(t.pausedReceived, undefined, t.name + ": Paused event should not have been received.");
   t.timestamp = Date.now();
   t.oldCurrentTime = t.currentTime;
   t.playbackRate = VERY_FAST_RATE;
-  is(t.playbackRate, FAST_RATE, t.name + ": Playback rate should be clamped to " + FAST_RATE + ".");
+  is(t.playbackRate, VERY_FAST_RATE, t.name + ": Playback rate should be clamped to " + VERY_FAST_RATE + ".");
 }
 
 function onended(e) {
   var t = e.target;
   t.gotEnded = true;
 
   t.bufferingTime = 0;
   // If we got "ended" too early, skip these tests.
@@ -154,17 +154,17 @@ function startTest(test, token) {
   element.addEventListener("volumechange", onvolumechange);
   manager.started(token);
   element.startTimestamp = Date.now();
   is(element.mozPreservesPitch, true, test.name + ": Pitch preservation should be enabled by default.");
   element.addEventListener("loadedmetadata", function() {
     is(element.playbackRate, 1.0, test.name + ": playbackRate should be initially 1.0");
     is(element.defaultPlaybackRate, 1.0, test.name + ": defaultPlaybackRate should be initially 1.0");
     element.playbackRate = VERY_SLOW_RATE;
-    is(element.playbackRate, SLOW_RATE, test.name + ": PlaybackRate should be clamped to " + SLOW_RATE + ".");
+    is(element.playbackRate, VERY_SLOW_RATE, test.name + ": PlaybackRate should be " + VERY_SLOW_RATE + ".");
     element.play();
     element.playbackRate = SLOW_RATE;
   });
 }
 
 manager.runTests(gPlayedTests, startTest);
 
 </script>