Bug 1195723: [flac] P15. Add metadata mochitest. r=kamidphish

MozReview-Commit-ID: vVAA2Gnls8

--HG--
extra : rebase_source : 842fa2a1e3f0243e3ee4ffc6631fbde46dc6f164

dom/media/test/manifest.js

@@ -769,6 +769,15 @@ var gMetadataTests = [
   },
   { 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