undoing optimized drag and drop for now because I added it in due to Google Chrome's latest release which made drag and drop very slow (while other browsers are still fast), and the changes that I made to help work around it were slightly effecting the experience in other browsers. I'll file a ticket with Google Chrome instead

tests/js/Test.js

@@ -10,7 +10,7 @@ function log(message) {
  * Test constructor
  */
 function Test() {
-    this.testOnly = '';
+    this.testOnly = 'DRAG AND DROP - draggable true';
     this.counter = 0;
 }
 /**