How to automatically mirror src directory structure and classes to tests folder?

I'm using PhpStorm and I want my src directory to automatically mirror to my tests directory and when I add new classes, I want a new test class to be created.

This should be automatic so I don't have to execute any script or so.

I searched for a plugin for PhpStorm but didn't find anything. Then I searched for solutions with batch and PowerShell but they didn't work.

Does anyone use such a tool or knows how to achieve this? Can be external programme but better would be a plugin or simple script that I execute on the start of developing.