Description: Fire dragstart event during the drag and drop processing
| Test Result | Test Assertion | 
| Manual | Test passes if if the word "PASS" appears to the left after following the steps below. 
                    Steps: 
                     
 | 
http://dev.w3.org/html5/spec/dnd.html#drag-and-drop-processing-model
If it is an element that is being dragged, then set the drag data store elements list to contain just the source node. Fire a DND event named dragstart at the source node.