Shadow-dom tests are not passing after fresh "git init .../html-sketchapp" 
![image](https://user-images.githubusercontent.com/2505676/47367427-16a65380-d6f9-11e8-9e4f-8deab644486a.png)

Looks like headless Chrome problem... don't know exactly. Any ideas?

I have to use `npm run e2e-fix` as a workaround.