update tests

Author: troolee

spec/e2e/html/gridstack-with-height.html

@@ -18,6 +18,7 @@
     <script src="//maxcdn.bootstrapcdn.com/bootstrap/3.2.0/js/bootstrap.min.js"></script>
     <script src="//cdnjs.cloudflare.com/ajax/libs/lodash.js/3.5.0/lodash.min.js"></script>
     <script src="../../../dist/gridstack.js"></script>
+    <script src="../../../dist/gridstack.jQueryUI.js"></script>
 
     <style type="text/css">
         .grid-stack {