text: import Vue from 'vue'
  import HelloWorld from '@/components/CoinComponent'
  
  describe('HelloWorld.vue', () => {
    it('should render correct contents', () => {
      const Constructor = Vue.extend(HelloWorld)
      const vm = new Constructor().$mount()
      expect(vm.$el.querySelector('.hello h1').textContent)
        .toEqual('Welcome to Your Vue.js App')
    })
  })
  