{
  "environments": {
    "test": {
      "scripts": {
        "test": "python manage.py test"
      }
    }
  }
}
{
  "environments": {
    "test": {
      "buildpacks": [
        { "url": "https://github.com/stomita/heroku-buildpack-phantomjs" }
      ],
      "scripts": {
        "test": "python manage.py test"
      }
    }
  }
}
Add Heroku buildpack for phantomjs
Add Heroku buildpack for phantomjs
