Ok, you may need to use requireApp('/video/js/video.js', done) style and put that inside of
```
suiteSetup(function(done) {
  // initialize all variables.
  requireApp('/video/js/video.js', done)
});
```
like: https://github.com/mozilla-b2g/gaia/blob/45459af02aabe34af41a939de8caccdde8ead880/apps/system/test/unit/bluetooth_transfer_test.js#L30-L43