docs: remove Chai references from examples (#439)

Author: dennythecoder

docs/en/api/createLocalVue.md

@@ -11,7 +11,6 @@ Use it with `options.localVue`:
 
 ```js
 import { createLocalVue, shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const localVue = createLocalVue()

docs/en/api/mount.md

@@ -19,7 +19,6 @@ Creates a [`Wrapper`](wrapper/README.md) that contains the mounted and rendered
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -34,7 +33,6 @@ describe('Foo', () => {
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -53,7 +51,6 @@ describe('Foo', () => {
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -69,7 +66,6 @@ describe('Foo', () => {
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 import FooBar from './FooBar.vue'
@@ -92,7 +88,6 @@ describe('Foo', () => {
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -112,7 +107,6 @@ describe('Foo', () => {
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 import Faz from './Faz.vue'

docs/en/api/options.md

@@ -45,7 +45,6 @@ Provide an object of slot contents to the component. The key corresponds to the
 Example:
 
 ```js
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 
@@ -102,8 +101,6 @@ Add additional properties to the instance. Useful for mocking global injections.
 Example:
 
 ```js
-import { expect } from 'chai'
-
 const $route = { path: 'http://www.example-path.com' }
 const wrapper = shallow(Component, {
   mocks: {
@@ -124,7 +121,6 @@ Example:
 ```js
 import { createLocalVue, mount } from '@vue/test-utils'
 import VueRouter from 'vue-router'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const localVue = createLocalVue()
@@ -197,5 +193,5 @@ const options = {
   }
 }
 const wrapper = mount(Component, options)
-expect(wrapper.text()).to.equal('aBC')
+expect(wrapper.text()).toBe('aBC')
 ```

docs/en/api/renderToString.md

@@ -29,7 +29,6 @@ Renders a component to HTML.
 
 ```js
 import { renderToString } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -44,7 +43,6 @@ describe('Foo', () => {
 
 ```js
 import { renderToString } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -63,7 +61,6 @@ describe('Foo', () => {
 
 ```js
 import { renderToString } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 import FooBar from './FooBar.vue'
@@ -86,7 +83,6 @@ describe('Foo', () => {
 
 ```js
 import { renderToString } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {

docs/en/api/selectors.md

@@ -33,7 +33,6 @@ export default {
 
 ```js
 import { shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = shallow(Foo)

docs/en/api/shallow.md

@@ -28,7 +28,6 @@ Like [`mount`](mount.md), it creates a [`Wrapper`](wrapper/README.md) that conta
 
 ```js
 import { shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -43,7 +42,6 @@ describe('Foo', () => {
 
 ```js
 import { shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -62,7 +60,6 @@ describe('Foo', () => {
 
 ```js
 import { shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {
@@ -79,7 +76,6 @@ describe('Foo', () => {
 
 ```js
 import { shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 import FooBar from './FooBar.vue'
@@ -102,7 +98,6 @@ describe('Foo', () => {
 
 ```js
 import { shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 describe('Foo', () => {

docs/en/api/wrapper-array/at.md

@@ -11,7 +11,6 @@ Returns `Wrapper` at `index` passed. Uses zero based numbering (i.e. first item
 
 ```js
 import { shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = shallow(Foo)

docs/en/api/wrapper-array/contains.md

@@ -13,7 +13,6 @@ Use any valid [selector](../selectors.md).
 
 ```js
 import { shallow } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 

docs/en/api/wrapper-array/destroy.md

@@ -6,7 +6,6 @@ Destroys each Vue `Wrapper` in `WrapperArray`.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper-array/is.md

@@ -11,7 +11,6 @@ Assert every `Wrapper` in `WrapperArray` DOM node or `vm` matches [selector](../
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper-array/isEmpty.md

@@ -8,7 +8,6 @@ Assert every `Wrapper` in `WrapperArray` does not contain child node.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper-array/isVisible.md

@@ -12,7 +12,6 @@ This can be used to assert that a component is hidden by `v-show`.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper-array/isVueInstance.md

@@ -8,7 +8,6 @@ Assert every `Wrapper` in `WrapperArray` is Vue instance.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 

docs/en/api/wrapper-array/setData.md

@@ -11,7 +11,6 @@ Sets `Wrapper` `vm` data and forces update on each `Wrapper` in `WrapperArray`.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 

docs/en/api/wrapper-array/setMethods.md

@@ -11,7 +11,6 @@ Sets `Wrapper` `vm` methods and forces update on each `Wrapper` in `WrapperArray
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import sinon from 'sinon'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'

docs/en/api/wrapper-array/setProps.md

@@ -11,7 +11,6 @@ Sets `Wrapper` `vm` props and forces update on each `Wrapper` in `WrapperArray`.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 

docs/en/api/wrapper-array/trigger.md

@@ -11,7 +11,6 @@ Triggers an event on every `Wrapper` in the `WrapperArray` DOM node.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import sinon from 'sinon'
 import Foo from './Foo.vue'
 

docs/en/api/wrapper-array/update.md

@@ -8,7 +8,6 @@ If called on a Vue component wrapper array, it will force each Vue component to
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/attributes.md

@@ -8,7 +8,6 @@ Returns `Wrapper` DOM node attribute object.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/classes.md

@@ -10,7 +10,6 @@ Returns Array of class names.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/contains.md

@@ -11,7 +11,6 @@ Assert `Wrapper` contains an element or component matching [selector](../selecto
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 

docs/en/api/wrapper/destroy.md

@@ -6,7 +6,6 @@ Destroys a Vue component instance.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import sinon from 'sinon'
 
 const spy = sinon.stub()
@@ -16,5 +15,5 @@ mount({
     spy()
   }
 }).destroy()
-expect(spy.calledOnce).to.equal(true)
+expect(spy.calledOnce).toBe(true)
 ```

docs/en/api/wrapper/emitted.md

@@ -8,7 +8,6 @@ Return an object containing custom events emitted by the `Wrapper` `vm`.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 
 const wrapper = mount(Component)
 

docs/en/api/wrapper/emittedByOrder.md

@@ -8,7 +8,6 @@ Return an Array containing custom events emitted by the `Wrapper` `vm`.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 
 const wrapper = mount(Component)
 

docs/en/api/wrapper/exists.md

@@ -10,7 +10,6 @@ Returns false if called on an empty `Wrapper` or `WrapperArray`.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/find.md

@@ -13,7 +13,6 @@ Use any valid [selector](../selectors.md).
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 

docs/en/api/wrapper/findAll.md

@@ -13,7 +13,6 @@ Use any valid [selector](../selectors.md).
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 import Bar from './Bar.vue'
 

docs/en/api/wrapper/html.md

@@ -8,7 +8,6 @@ Returns HTML of `Wrapper` DOM node as a string.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/is.md

@@ -11,7 +11,6 @@ Assert `Wrapper` DOM node or `vm` matches [selector](../selectors.md).
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/isEmpty.md

@@ -8,7 +8,6 @@ Assert `Wrapper` does not contain child node.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/isVisible.md

@@ -12,7 +12,6 @@ This can be used to assert that a component is hidden by `v-show`.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/isVueInstance.md

@@ -8,7 +8,6 @@ Assert `Wrapper` is Vue instance.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/name.md

@@ -8,7 +8,6 @@ Returns component name if `Wrapper` contains a Vue instance, or the tag name of
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo)

docs/en/api/wrapper/props.md

@@ -10,7 +10,6 @@ Return `Wrapper` `vm` props object.
 
 ```js
 import { mount } from '@vue/test-utils'
-import { expect } from 'chai'
 import Foo from './Foo.vue'
 
 const wrapper = mount(Foo, {