You are correct, I'm over here stuck on the applicant side, feeling like both sides of this transaction are suffering from the same lack of trust
I therefore fail to see how introducing another party that the hiring managers have to cede their trust to solves our mutual lack of trust
If your company (since your reply implies that you are at least "hiring manager adjacent") merely needs that testing center to start hiring people, I'm totally open to going on Monday and starting a company to provide that service. I even already have a 4k security camera system I can wire up the room to provide DVR access to your interview candidate's session
But my strong suspicion is that such a video camera enabled room for a fee is not, in fact, the obstacle to getting people hired