How does the USGA and R&A test golf balls, and how would a rollback change those tests?

Golf ball testing might change for elite players, but how does it all work at the USGA and R&A?
‘It’s so bad for the game’: Justin Thomas doesn’t hold back when it comes to new golf ball rollback proposal that would limit distance

“Like, try to explain to me how that’s better for the game of golf.”
Dusek: My takeaways from the USGA and R&A’s golf ball rollback press conference

Equipment writer David Dusek takes a look at the pros and cons of ball changes announced by the USGA and R&A.
USGA, R&A propose rolling back the ball for elite golfers, but not changing equipment for recreational players

After years of research, the USGA and R&A are ready to start reducing distance — and they are going after the golf ball.
Golf distance debate: USGA and R&A close in on major announcements

The deadline for manufacturers, industry insiders and stakeholders to send feedback was Sept. 2.