old_contents: import 'vue2';
  import 'core-js';
  
  new Vue({
      components: {
          VueSplit: () =>
              import(/* webpackChunkName: 'js/split' */ './VueSplit.vue')
      }
  }).$mount('#app');
  
new_contents: import 'vue2';
  import 'core-js';
  
  new Vue({
      components: {
          VueSplit: () =>
              import(/* webpackChunkName: '/js/split' */ './VueSplit.vue')
      }
  }).$mount('#app');
  
subject: Update test