--- a/dom/tests/mochitest/general/test_interfaces.html
+++ b/dom/tests/mochitest/general/test_interfaces.html
@@ -1247,16 +1247,18 @@ var interfaceNamesInGlobalScope =
     "WebGLTexture",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "WebGLTransformFeedback",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "WebGLUniformLocation",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "WebGLVertexArrayObject",
 // IMPORTANT: Do not change this list without review from a DOM peer!
+    "WebGLVertexArrayObjectOES",
+// IMPORTANT: Do not change this list without review from a DOM peer!
     "WebKitCSSMatrix",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "WebSocket",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "WheelEvent",
 // IMPORTANT: Do not change this list without review from a DOM peer!
     "Window",
 // IMPORTANT: Do not change this list without review from a DOM peer!