[bug]创建项目是爆出一个ERR，疑似是测试没过

[captainblue2013]

OS: OSX

> eslint source/ test/ --fix

√ Module "./index" has been bundled
√ Module "./index" has been bundled
√ Module "./index.html" has been bundled
√ Module "./index" has been bundled
√ Module "./index.html" has been bundled
√ Component "app-router.js" is packed in
√ Component "cell-hello.js" is packed in
√ Component "page-index.js" is packed in


  Component
  <-- GET /
  --> GET / 200 17ms 1.13kb
  <-- GET /node_modules/@babel/polyfill/dist/polyfill.min.js
  <-- GET /node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.min.js
  --> GET /node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.min.js 404 2ms -
  <-- GET /node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js
  --> GET /node_modules/@babel/polyfill/dist/polyfill.min.js 200 11ms 97.01kb
  --> GET /node_modules/@webcomponents/webcomponentsjs/custom-elements-es5-adapter.js 200 6ms 950b
  <-- GET /node_modules/dom-renderer/dist/dom-renderer.min.js
  <-- GET /node_modules/web-cell/dist/web-cell.min.js
  --> GET /node_modules/dom-renderer/dist/dom-renderer.min.js 200 11ms 20.02kb
  --> GET /node_modules/web-cell/dist/web-cell.min.js 200 21ms 30.98kb
  <-- GET /dist/cell-hello.js
  <-- GET /dist/app-router.js
  --> GET /dist/cell-hello.js 200 7ms 24.31kb
  --> GET /dist/app-router.js 200 8ms 25.26kb
  <-- GET /node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.min.js
  --> GET /node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.min.js 404 2ms -
    1) cell-hello


  0 passing (2s)
  1 failing

  1) Component
       cell-hello:
     Error: Evaluation failed: TypeError: Cannot read property 'textContent' of undefined
    at <anonymous>:2:36
      at ExecutionContext.evaluateHandle (node_modules/puppeteer/lib/ExecutionContext.js:88:13)
      at processTicksAndRejections (internal/process/task_queues.js:93:5)
      at ExecutionContext.evaluate (node_modules/puppeteer/lib/ExecutionContext.js:46:20)
      at ElementHandle.$eval (node_modules/puppeteer/lib/ElementHandle.js:293:20)



npm ERR! Test failed.  See above for more details.