text: const expect = chai.expect;
  import Vue from 'vue'
  import Tabs from '../src/tabs'
  import TabsHead from '../src/tabs-head'
  import TabsBody from '../src/tabs-body'
  import TabsItem from '../src/tabs-item'
  import TabsPane from '../src/tabs-pane'
  
  Vue.component('g-tabs',Tabs)
  Vue.component('g-tabs-head',TabsHead)
  Vue.component('g-tabs-body',TabsBody)
  Vue.component('g-tabs-item',TabsItem)
  Vue.component('g-tabs-pane',TabsPane)
  
  Vue.config.productionTip = false
  Vue.config.devtools = false
  
  describe('Row', () => {
      //it:隔离测试用例 测试驱动开发TDD
      it('存在.', () => {
          expect(Tabs).to.exist
      })
      it('子组件只能是tabsHead和tabsBody')
  })