I’m pretty sure you’re referring to
@Michele123 ’s post in her “From Okinawa to Korea” thread regarding her 4 year old son (or was it 4 y/o daughter? I remember a son and a daughter, but I might have the ages confused).
If so, the kid’s 4, so there should be very small mini-tests. That’s if you’re even going to test a 4 y/o to begin with. The way I perceived it is along the lines of how my former school did it:
4 year olds were “Tiny Tigers.” They wore a white belt. They had a bunch of small “tests” (in a 4 year old sense) periodically. For each test they passed, they got a strip of colored electrical tape on their belt. One test would be for the high block. Another would be inside-out block, then outside-in block, etc. It was all basic punches, blocks, some stances, some kicks, etc. When they completed all those stripes and they were 5 they got a camouflage belt and were “Little Dragons.” They’d pick up where they left off with the stripes on the belt by doing more blocks, kicks, etc.
If they went through all that and were 6, they’d be juniors and start at 9th kyu instead of 10th like other new juniors would. Tiny Tigers class was 30 minutes. Little Dragons was 45 minutes, with the first 30 being on their own and the last 15 they were in with the Tiny Tigers.
There were no testing fees for any of that. Testing fees didn’t start until they were in the junior program. Tests in the junior program were typically 45 minutes to an hour, as they progressed. The last few belts before junior black belt were a bit longer, but the kids were typically much older at that point, usually between 11-13 years old.