Init execution order with mixins

components.my-component.js

import Ember from 'ember';
import First from '../mixins/first'
import Second from '../mixins/second'

export default Ember.Component.extend(First, Second, {
});

controllers.application.js

import Ember from 'ember';

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

mixins.first.js

import Ember from 'ember'
const {
  Mixin
} = Ember

export default Mixin.create({
  init () {
    console.log('first executing')
    this._super(...arguments)
    console.log('first')
  }
})

mixins.second.js

import Ember from 'ember'
const {
  Mixin
} = Ember

export default Mixin.create({
  init () {
    console.log('second executing')
    this._super(...arguments)
    console.log('second')
  }
})

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{my-component}}
<br>
<br>

templates.components.my-component.hbs

{{yield}}

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": {}
}