message: fix Object.prototype.watch test case
diff: @@ -46,28 +46,22 @@ describe('Options extends', () => {
  expect(vm.b).toBe(2)
  expect(vm.c).toBe(3)
  })
  -})
  -describe('Options extends with Object.prototype.watch', () => {
  - beforeAll(function () {
  + it('should work with global mixins + Object.prototype.watch', done => {
  + let fakeWatch = false
  if (!Object.prototype.watch) {
  + fakeWatch = true
  // eslint-disable-next-line no-extend-native
  - Object.prototype.watch = {
  - remove: true
  - }
  - }
  + Object.defineProperty(Object.prototype, 'watch', {
  + writable: true,
  + configurable: true,
  + enumerable: false,
  + value: () => {}
  })
  - afterAll(function () {
  - if (Object.prototype.watch && Object.prototype.watch.remove) {
  - delete Object.prototype.watch
  }
  - })
  - it('should work with global mixins', done => {
  - Vue.use({
  - install: function () {
  +
  Vue.mixin({})
  - }
  - })
  +
  const spy = jasmine.createSpy('watch')
  const A = Vue.extend({
  data: function () {
  @@ -85,6 +79,10 @@ describe('Options extends with Object.prototype.watch', () => {
  })
  waitForUpdate(() => {
  expect(spy).toHaveBeenCalledWith(2, 1)
  +
  + if (fakeWatch) {
  + delete Object.prototype.watch
  + }
  }).then(done)
  })
  })
  