I had trouble running the tests because the prerequisites weren't mentioned in the documentation, so I had to go back and download mongodb and Firefox and figure out how to switch to ruby 2.3.1. This edit tells the user to install mongodb, Firefox, and ruby 2.3.1 beforehand.
I had trouble running the tests because the prerequisites weren't mentioned in the documentation, so I had to go back and download mongodb and Firefox and figure out how to switch to ruby 2.3.1. This edit tells the user to install mongodb, Firefox, and ruby 2.3.1 beforehand.