Merge pull request #1387 from suits-at/patch-1

fix: wait for the next tick

Author: lmiller1990

docs/guides/testing-single-file-components-with-mocha-webpack.md

@@ -148,13 +148,15 @@ Create a file in `src` named `Counter.vue`:
 And create a test file named `test/Counter.spec.js` with the following code:
 
 ```js
+import Vue from 'vue'
 import { shallowMount } from '@vue/test-utils'
 import Counter from '../src/Counter.vue'
 
 describe('Counter.vue', () => {
-  it('increments count when button is clicked', () => {
+  it('increments count when button is clicked', async () => {
     const wrapper = shallowMount(Counter)
     wrapper.find('button').trigger('click')
+    await Vue.nextTick()
     expect(wrapper.find('div').text()).toMatch('1')
   })
 })