Add examples of ember-test-helpers wait helper.

[rwjblue]

This was added in emberjs/ember-test-helpers#112 (and is available in ember-qunit 0.4.13 and higher). The largest benefit here is the ability to wait for pending async in your component integration tests.

Example from the above PR (assumes the component does some async in an action triggered by the button click):

import { moduleForComponent, test } from 'ember-test-helpers';
import wait from 'ember-test-helpers/wait';

test('it works when async exists in an event/action', function(assert) {
  this.render('{{my-foo}}');

  this.$('button').click();

  return wait()
    .then(() => {
      // assertions for after async behavior
    });
});

[toddjordan]

cool, I'd be happy to get something in there 👍

[michaelrkn]

@toddjordan, Ember Guides testing mastermind :)

[toddjordan]

@michaelrkn is it an evil mastermind? 😼

[michaelrkn]

😱

[locks]

let's test it and find out!

[acorncom]

This issue should be closed