How to test web socket with thor?

I have a web server as in url below implemented web socket.

zmy02dev02v.ap.freescale.net:8181/widget

I recently heard about thor as below

http://ift.tt/1WxEI9k

I install it to test load on the web socket in the application running in mentioned web server. Now, i have some confusion here, how I should put the link to test the web socket in thor. I put the url as above and i get error

But when I try inspect in Chrome to see where the web socket connect it show like below and the url keep change dynamic each time refreshed.

When I put this url into the thor, and i get some respond like below

So i am totally confused here, which url I need to use to test load for web socket implemented. Appreciate any help explain me or guide through on this as I am beginner in web socket.