It is not that I just want to brag about, but since you are asking for answers, I can, as many other players can, gold any event/license test without a sweat. This doesn't mean I gold on the first try, sometimes you have to adjust to a car's handling before attempting at going fast, like getting to try if a car grip would be enough to take a corner in 4th gear or will it just spin helplessly and you'll need to take the next attempt at 3rd gear or so, like Vettel's challenge.
Some of other events require some trial and error, like the 3rd brake test on the licenses, you just can't find the perfect gold braking spot on the first try without screwing it twice or more times before you start to see where is the best place to brake. Unless you get lucky.
Then there are other events where you are required to learn AI patterns or a new track memorization, you just can't be fast on a track if you don't know where you are going. Like the Loeb events, where the three tracks required to pass those tests are absolutely new to the series, you would need a 6th sense to gold it on the first try. But once you learn the basics of the tracks, golds come easy.
After going through the required "training/learning/memorization/trial and error" I can go back to any event and after some warm up, gold the event time and time again. And I am far from being one of the best players. Takes average skill to gold an event on GT.