Page Object Failure

templates.components.my-component.hbs

<div class="left">
	<div class="items-list">
    <div class="item">one</div>
    <div class="item">two</div>
    <div class="item">three</div>
  </div>
</div>

<div class="right">
	<div class="items-list">
    <div class="item">one</div>
    <div class="item">two</div>
    <div class="item">three</div>
  </div>
</div>

tests.helpers.resolver.js

import Resolver from '../../resolver';
import config from '../../config/environment';

const resolver = Resolver.create();

resolver.namespace = {
  modulePrefix: config.modulePrefix,
  podModulePrefix: config.podModulePrefix
};

export default resolver;

tests.integration.components.my-component-test.js

import { moduleForComponent, test } from 'ember-qunit';
import hbs from 'htmlbars-inline-precompile';
import { create, collection, text } from 'ember-cli-page-object';

moduleForComponent('my-component', { integration: true });

const itemCollection = {
  itemScope: '.item',
  item: {
		label: text()
  }
};

test('it renders', function(assert) {
  // This assertion passes on 1.4.0 and 1.4.1
  assert.equal(itemCollection.itemScope, '.item');
  
  // This object works correctly
  const left = create({
    scope: '.left',
    items: collection(itemCollection)
  }).setContext(this);

  // This object doesn't work, because `item` and `itemScope` are missing
  const right = create({
    scope: '.right',
    items: collection(itemCollection)
  }).setContext(this);

  this.render(hbs`{{my-component}}`);

  assert.deepEqual(left.items().mapBy('text'), ['one', 'two', 'three']);
  assert.deepEqual(right.items().mapBy('text'), ['one', 'two', 'three']);
  
  // This assertion (same as the first) passes on 1.4.0 and fails on 1.4.1
  assert.equal(itemCollection.itemScope, '.item');
});

tests.test-helper.js

import resolver from './helpers/resolver';
import {
  setResolver
} from 'ember-qunit';

setResolver(resolver);

twiddle.json

{
  "version": "0.10.1",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": true
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.6.0",
    "ember-data": "2.6.1",
    "ember-template-compiler": "2.6.0"
  },
  "addons": {
    "ember-cli-page-object": "1.4.1"
  }
}