Fix broken test

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

@@ -425,7 +425,7 @@ export default {
   },
 
   template: `
-    <tr>
+    <tr :class="{ 'js-child-row': model.isChildren }">
       <td>
         <a v-if="!model.isFolder"
           class="environment-name"

spec/javascripts/environments/environment_spec.js

@@ -262,7 +262,7 @@ describe('Environment', () => {
 
           // wait for next async request
           setTimeout(() => {
-            expect(component.$el.querySelectorAll('.child-row').length).toEqual(1);
+            expect(component.$el.querySelectorAll('.js-child-row').length).toEqual(1);
             expect(component.$el.querySelector('td.text-center > a.btn').textContent).toContain('Show all');
 
             Vue.http.interceptors = _.without(Vue.http.interceptors, folderInterceptor);