$ npm install tower-param
$ component install tower/param
$ npm install -g testem
Then, open all the browsers you want to test by going to the outputted url defaulted to http://localhost:7357
Tests will run on any open browser linked to the stated url and your current Node environment.
Before you send a pull request, make sure your code meets the style guidelines at https://github.com/tower/style-guide and all tests pass.