Assertion Failed: A helper named "example.edit" could not be found

another-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

another-component.template.hbs

<h3>Another component</h3>
{{yield}}

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle'
});

edit-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

edit-component.template.hbs

Edit: {{yield}}

my-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

my-component.template.hbs

<div class="my-component">
	<h2>My Component</h2>
  {{#another-component}}
    {{yield (hash new=(component 'new-component' models=models))}}
  {{/another-component}}

  {{yield (hash edit=(component 'edit-component'))}}
</div>

new-component.component.js

import Ember from 'ember';

export default Ember.Component.extend({
});

new-component.template.hbs

New: {{yield}}

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{#my-component as |example|}}
  {{#if example.new}}{{#example.new}}Test{{/example.new}}{{/if}}
  {{#if example.edit}}{{#example.edit}}What{{/example.edit}}{{/if}}
{{/my-component}}
{{outlet}}
<br>
<br>

twiddle.json

{
  "version": "0.10.4",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.7.0",
    "ember-data": "2.7.0",
    "ember-template-compiler": "2.7.0"
  },
  "addons": {}
}