Sign up for opensauce

- http://saucelabs.com/opensauce

Install zuul

```
npm i -g zuul
```

Configure zuul

```yml
# ~/.zuulrc
sauce_username: me
sauce_key: abc12348-e3e2-...
```

Add .zuul.yml to your project

```yml
# .zuul.yml
ui: mocha-bdd
browsers:
  - name: chrome
    version: latest
  - name: ie
    version: 6..latest
  - name: firefox
    version: latest
```

Try to run tests

```
zuul test/test.js
zuul --local test/test.js
```