>Will they then ask for access to my account for more intensive testing? >Will they just wipe the SSD and install everything from scratch without needing my pa

>Will they then ask for access to my account for more intensive testing? >Will they just wipe the SSD and install everything from scratch without needing my password? They don't need your account. As for data loss, you accept that risk when you give them your device. If they need to wipe it they will.