Turbo boost pressure testing - P2263

I got P2263 DTC code on the car and trying to figure out if there is a leak on the turbo pressurized line...

link to the 3d printed air intake cup:
https://www.thingiverse.com/thing:6243581
link to valve stem:
https://a.aliexpress.com/_mL2PAiw

Видео Turbo boost pressure testing - P2263 канала Tamas Janky