--- a/dom/media/test/manifest.js
+++ b/dom/media/test/manifest.js
@@ -764,16 +764,25 @@ var gMetadataTests = [
   },
   { name:"wave_metadata_bad_utf8.wav", tags: {
       name:"歌曲名稱",
       comments:"註解",
     }
   },
   { name:"wavedata_u8.wav", tags: { }
   },
+  { name:"flac-s24.flac", tags: {
+      ALBUM:"Seascapes",
+      TITLE:"(La Mer) - II. Jeux de vagues. Allegro",
+      COMPOSER:"Debussy, Claude",
+      TRACKNUMBER:"2/9",
+      DISCNUMBER:"1/1",
+      encoder:"Lavf57.41.100",
+    }
+  },
 ];
 
 // Test files for Encrypted Media Extensions
 var gEMETests = [
   {
     name:"video-only with 2 keys",
     tracks: [
       {