text: describe('unknown', () => {
    const pages = [];
  
    async function createPage() {
      const page = await global.__BROWSER__.newPage();
      await page.setViewport(global.__VIEWPORT__);
      await page.goto('http://localhost:9002/components/unknown/__tests__/unknown.html');
      pages.push(page);
      return page;
    }
  
    afterAll(async() => {
      for (let i = 0, l = pages.length; i < l; i++) {
        await pages[i].close();
      }
    });
  
    it('not render anything', async() => {
      const page = await createPage();
  
      expect(await page.$eval('#unknown', el => el.innerText)).toEqual('');
    });
  });
  