I don't know that it defines how good a test side is, but a good structure means you stand a better chance of IDing talent and getting the best out of your elite players at FC level and beyond.
WWCC - Loyaulte Mi Lie
"People make me happy.. not places.. people"
"When a man is tired of London, he is tired of life." - Samuel Johnson
"Oh my God, there's a castle! A castle!"