* test: Run the tests automatically for visual regression test.

* doc: Update CONTRIBUTING doc for test section

* test: Improve visual regression test UI

* test: Add tests select and run control in dashboard

* test: Use child process to run test. Add logs in dashboard

* test: Fix some logic issue of controlling test in dashboard.

* test(autorun): Improve Dashboard UI

* test: Remove puppeteer from devDependencies

* Update package-lock.json

* style: fix code style.