import Ember from 'ember'; import Application from '../../app'; import config from '../../config/environment'; export default function startApp(attrs) { let attributes = Ember.merge({}, config.APP); attributes = Ember.merge(attributes, attrs); // use defaults, but you can override; return Ember.run(() => { let application = Application.create(attributes); application.setupForTesting(); application.injectTestHelpers(); return application; }); }