WebUI necessary Level 2: use CLI and open an Error page with debug data after tests are done

[i5heu]

A WebUI is needed to allow for fast development and debugging.

TODO:

• add parameter or env to disable the webserver
• Save results in map with all available data
• wait until all test are done
• search open port starting from 8080 upwards
• start webserver with found port on and for localhost only
• check if some browser open command exists that can be used to open the debug page
• IF exists: open browser with result URL
• show result URL