If you were a trucking company, and you had three units to deliver to one place.
Would you:
1-Have one truck driver deliver all three units to that place.
2-Have three truck drivers each driving different types of trucks, deliver one unit a piece to that place

Obviously, you'd pick option 1, if you wanted to get the job done.
You'd pick option 2 if you wanted to find you most efficient driver.
However, your experiment would have failed, because they were each driving different types of trucks.
In Mike, Jeffs and my case, the our truck type, was who told us how to test our program.
I couldn't have just known to run RSBNVAL, where as Mike and Jeff were probably told to do that.
I was told that, of course, the record has to validated, which I'd think would happen in the program I was working on.