UPDATE: Travis CI now supports io.js
It’s now much easier to use iojs on travis: Just write the following:
Here’s just a small code snippet to show how you can run your tests with io.js in Travis CI.
At the current time, Travis CI doesn’t support io.js like it does with other options. So you will have to use the before_script argument in your travis.yml
Here’s how the .travis.yml looks like
of course, you could also do this for mocha, and any other cli tool.
Hope this helps