From 37d627bc8955c9fa7d9323e042fceeb3fb81a874 Mon Sep 17 00:00:00 2001
From: Eric Rosenbaum <eric.rosenbaum@gmail.com>
Date: Mon, 13 Nov 2017 10:57:36 -0500
Subject: [PATCH] Fix unit test

---
 test/unit/blocks_music.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/test/unit/blocks_music.js b/test/unit/blocks_music.js
index 3b8f8d949..ae097beb1 100644
--- a/test/unit/blocks_music.js
+++ b/test/unit/blocks_music.js
@@ -17,7 +17,8 @@ const util = {
         audioPlayer: {
             playDrumForBeats: drum => (playedDrum = drum)
         }
-    }
+    },
+    stackFrame: Object.create(null)
 };
 
 test('playDrum uses 1-indexing and wrap clamps', t => {