message: fix test case in IE
diff: @@ -170,12 +170,12 @@ describe('create-element', () => {
  return h('div', [[...list, input]])
  }
  }).$mount()
  - expect(vm.$el.innerHTML).toBe('<span>0</span><input value="a" type="text">')
  + expect(vm.$el.innerHTML).toContain('<span>0</span><input')
  const el = vm.$el.querySelector('input')
  el.value = 'b'
  vm.n++
  waitForUpdate(() => {
  - expect(vm.$el.innerHTML).toBe('<span>0</span><span>1</span><input value="a" type="text">')
  + expect(vm.$el.innerHTML).toContain('<span>0</span><span>1</span><input')
  expect(vm.$el.querySelector('input')).toBe(el)
  expect(vm.$el.querySelector('input').value).toBe('b')
  }).then(done)
  