message: Also stub router for osf-navbar component integration test
diff: +import Service from '@ember/service';
  import { render } from '@ember/test-helpers';
  import { setupRenderingTest } from 'ember-qunit';
  +import { TestContext } from 'ember-test-helpers';
  import hbs from 'htmlbars-inline-precompile';
  import { module, test } from 'qunit';
  +const routerStub = Service.extend({
  + currentURL: '',
  +});
  +
  module('Integration | Component | osf-navbar', hooks => {
  setupRenderingTest(hooks);
  + hooks.beforeEach(function(this: TestContext) {
  + // Make sure currentURL is always a string
  + this.owner.register('service:router', routerStub);
  + });
  +
  test('it renders', async function(assert) {
  this.set('loginAction', () => { /* stub */ });
  await render(hbs`{{osf-navbar loginAction=loginAction}}`);
  