--- a/dom/canvas/test/mochitest.ini
+++ b/dom/canvas/test/mochitest.ini
@@ -34,16 +34,19 @@ support-files =
   imagebitmap_on_worker.js
   imagebitmap_structuredclone.js
   imagebitmap_structuredclone_iframe.html
   imagebitmap_structuredclone_utils.js
   offscreencanvas.js
   offscreencanvas_mask.svg
   offscreencanvas_neuter.js
   offscreencanvas_serviceworker_inner.html
+  crossorigin/image.png
+  crossorigin/video.sjs
+  ../../media/test/320x240.ogv
 
 [test_2d.clearRect.image.offscreen.html]
 [test_2d.clip.winding.html]
 [test_2d.composite.canvas.color-burn.html]
 [test_2d.composite.canvas.color-dodge.html]
 [test_2d.composite.canvas.color.html]
 [test_2d.composite.canvas.darken.html]
 [test_2d.composite.canvas.destination-atop.html]