Role tabs selection test

controllers.application\.js

import Controller from '@ember/controller';
import { set, computed } from '@ember/object';

export default Controller.extend({
  appName: 'Ember Twiddle',
  options: [{tab: "new", options: [{name: "bolo"}, {name:"anderson"}]},{tab: "Old", options: [{name: "bolo 2"}, {name:"anderson 2"}]} ],
    computedOptions: computed("options.@each.options", function(){
  	return this.options;                            
	}),
    actions: {
     	change(){
        console.log("inside on", this.options);
       	set(this, "options.firstObject.options.firstObject.name", "bolo khan"); 
      }
    }
})

templates.application\.hbs

<h1>Welcome to {{this.appName}}</h1>
<br>
<br>
{{outlet}}
<br>
<br>
<button {{action "change"}}> change </button>
{{#each computedOptions as |option|}}
	{{option.tab}}
  {{#each option.option as |iten|}}
  	{{item.name}}
  {{/each}}
  <br>
{{/each}}

twiddle\.json

{
  "version": "0.17.1",
  "EmberENV": {
    "FEATURES": {},
    "_TEMPLATE_ONLY_GLIMMER_COMPONENTS": false,
    "_APPLICATION_TEMPLATE_WRAPPER": true,
    "_JQUERY_INTEGRATION": true
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/3.5.1/jquery.js",
    "ember": "3.10.1",
    "ember-template-compiler": "3.10.1",
    "ember-testing": "3.10.1"
  },
  "addons": {
    "@glimmer/component": "1.0.0"
  }
}