PyRIGS/tests/helpers/start-app.js

import Ember from "ember";
import Application from "../../app";
import config from "../../config/environment";

export default function startApp(attrs) {
  let application;

  let attributes = Ember.merge({}, config.APP);
  attributes = Ember.merge(attributes, attrs); // use defaults, but you can override;

  Ember.run(() => {
    application = Application.create(attributes);
  application.setupForTesting();
  application.injectTestHelpers();
  });
  return application;
}