From 4e93079fe3e3c6134cc28c4323efdd8cb4bfb29c Mon Sep 17 00:00:00 2001
From: Jonathan Frederic <jon.freder@gmail.com>
Date: Sat, 11 Jul 2015 11:36:33 -0500
Subject: [PATCH] Add test :pen:

---
 notebook/tests/base/utils.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/notebook/tests/base/utils.js b/notebook/tests/base/utils.js
index fe5c878fe..7e7fdbfba 100644
--- a/notebook/tests/base/utils.js
+++ b/notebook/tests/base/utils.js
@@ -20,4 +20,16 @@ casper.notebook_test(function () {
     }, input);
 
     this.test.assertEquals(result, output, "IPython.utils.fixConsole() handles [0m correctly");
+    
+    this.thenEvaluate(function() {
+        define('a', [], function() { window.a = true; });
+        define('c', [], function() { window.c = true; });
+        require(['base/js/utils'], function(utils) {
+            utils.load_extensions('a', 'b', 'c');
+        });
+    });
+    
+    this.waitFor(function() {
+        return this.evaluate(function() { return window.a && window.c; });
+    });
 });