--- a/dom/tests/mochitest/general/test_picture_mutations.html
+++ b/dom/tests/mochitest/general/test_picture_mutations.html
@@ -228,19 +228,17 @@
         expectEvents(1, 0, function() {
           is(img.currentSrc, testPNG100, "Should still have testPNG100");
 
           // And a valid MQ
           source1.media = "(min-resolution: 3dppx)";
           expectEvents(1, 0, function() {
             // And a valid type...
             source1.type = "image/png";
-            // TODO Will not trigger a load event until bug 1045532 lands.
-            // expectEvents(1, 0, function() {
-            expectEvents(0, 0, function() {
+            expectEvents(1, 0, function() {
               // Finally restore srcset, should trigger load and re-consider source1 which is valid again
               source1.srcset = testPNG50;
               expectEvents(1, 0, function() {
                 is(img.currentSrc, testPNG50, "Should have selected testPNG50");
                 expectEvents(0, 0, nextTest);
               });
             });
           });