Fix broken test and linter error

app/assets/javascripts/environments/components/environment_item.js.es6

@@ -97,7 +97,7 @@ module.exports = Vue.component('environment-item', {
      * @returns {Boolean}
      */
     hasStopAction() {
-      return this.model['stop_action?'];
+      return this.model.latest['stop_action?'];
     },
 
     /**

spec/javascripts/environments/mock_data.js.es6

@@ -55,5 +55,5 @@ const environment = {
 
 module.exports = {
   environmentsList,
-  environment
+  environment,
 };