From 94188fc07557ac285b4028479ed88921246ff022 Mon Sep 17 00:00:00 2001
From: Paul Kaplan <pkaplan@media.mit.edu>
Date: Mon, 14 Oct 2019 12:02:44 -0400
Subject: [PATCH] Fix tests by more carefully checking for the skin

---
 src/io/video.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/io/video.js b/src/io/video.js
index faef56cd2..f037b0f9c 100644
--- a/src/io/video.js
+++ b/src/io/video.js
@@ -135,7 +135,7 @@ class Video {
     }
 
     _disablePreview () {
-        if (this._skinId) {
+        if (this._skinId !== -1) {
             this.runtime.renderer.updateBitmapSkin(this._skinId, new ImageData(...Video.DIMENSIONS), 1);
             this.runtime.renderer.updateDrawableProperties(this._drawable, {visible: false});
         }