Mixed Messages - Random actions generator (Tested with Mocha)

Hello everyone and thank you for being here!

Even tough I did a message generator with no special topic, I decided to test each functionality with Mocha, so I could use TDD methodology, here’s my code:

GitHub Repo :stuck_out_tongue:

I made it for about an hour, and I just want to know what do you think about my code, how would you refactor it?

Happy coding mates!