other-stuff-test.js

import Application from '@ember/application';
import { initialize } from 'testing-testing-2-17/initializers/other-stuff';
import { module, test } from 'qunit';
import destroyApp from '../../helpers/destroy-app';

module('Unit | Initializer | other stuff', function(hooks) {
  hooks.beforeEach(function() {
    this.TestApplication = Application.extend();
    this.TestApplication.initializer({
      name: 'other stuff',
      initialize
    });

    this.application = this.TestApplication.create({ autoboot: false });
  });

  hooks.afterEach(function() {
    destroyApp(this.application);
  });

  // Replace this with your real tests.
  test('it works', async function(assert) {
    await this.application.boot();

    assert.equal(self.bar, true);
  });
});