Turning Off Webrat’s Automatic Browser Opening

If you’re using webrat for doing your integration testing with Rails and you’re on OS X you may notice that webrat opens an html version of the failing test every time you run it. This can be fairly annoying if you’re running autotest. I didn’t see how to turn it off in the documentation but I found on this page that you can turn it off by doing the following:

This doesn’t work for the gem version I had installed but only with the GitHub version of brynary-webrat.