Index: src/wp-admin/js/customize-nav-menus.js
===================================================================
--- src/wp-admin/js/customize-nav-menus.js	(revision 33416)
+++ src/wp-admin/js/customize-nav-menus.js	(working copy)
@@ -1,7 +1,7 @@
 /* global _wpCustomizeNavMenusSettings, wpNavMenu, console */
 ( function( api, wp, $ ) {
 	'use strict';
-
+console.log( JSON.stringify( api ) );
 	/**
 	 * Set up wpNavMenu for drag and drop.
 	 */
Index: tests/qunit/index.html
===================================================================
--- tests/qunit/index.html	(revision 33112)
+++ tests/qunit/index.html	(working copy)
@@ -8,6 +8,7 @@
 		<script src="../../src/wp-includes/js/jquery/ui/core.js"></script>
 		<script src="../../src/wp-includes/js/underscore.min.js"></script>
 		<script src="../../src/wp-includes/js/backbone.min.js"></script>
+		<script src="../../src/wp-includes/js/wp-backbone.js"></script>
 		<script src="../../src/wp-includes/js/zxcvbn.min.js"></script>
 		<script src="../../src/wp-includes/js/wp-util.js"></script>
 
@@ -23,6 +24,7 @@
 		<div id="qunit-fixture">
 			<script src="fixtures/customize-header.js"></script>
 			<script src="fixtures/customize-settings.js"></script>
+			<script src="fixtures/customize-menus.js"></script>
 		</div>
 		<p><a href="editor">TinyMCE tests</a></p>
 
@@ -32,6 +34,7 @@
 		<script src="../../src/wp-includes/js/customize-models.js"></script>
 		<script src="../../src/wp-includes/js/shortcode.js"></script>
 		<script src="../../src/wp-admin/js/customize-controls.js"></script>
+		<script src="../../src/wp-admin/js/customize-nav-menus.js"></script>
 		<script src="../../src/wp-admin/js/word-count.js"></script>
 
 		<!-- Unit tests -->
@@ -41,6 +44,7 @@
 		<script src="wp-includes/js/shortcode.js"></script>
 		<script src="wp-admin/js/customize-controls.js"></script>
 		<script src="wp-admin/js/customize-controls-utils.js"></script>
+		<script src="wp-admin/js/customize-nav-menus.js"></script>
 		<script src="wp-admin/js/word-count.js"></script>
 
 		<!-- Customizer templates for sections -->