From e568602bf6622370119daa1327958ad3391e1204 Mon Sep 17 00:00:00 2001
From: Joiey Seeley <joiey.seeley@gmail.com>
Date: Wed, 9 May 2018 11:52:45 -0500
Subject: [PATCH] fix: Adds a template to observer spec Vue instance to fix
 failing spec.

fix #8129
---
 test/unit/modules/observer/observer.spec.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/test/unit/modules/observer/observer.spec.js b/test/unit/modules/observer/observer.spec.js
index b7f59fedb02..a479b497acd 100644
--- a/test/unit/modules/observer/observer.spec.js
+++ b/test/unit/modules/observer/observer.spec.js
@@ -318,6 +318,7 @@ describe('Observer', () => {
 
   it('Cannot enable reactivity on a property that is already defined', done => {
     const vm = new Vue({
+      template: '<div></div>',
       data: {
         person: {
           age: 32