The only test is what you see when you look in a mirror.
Trust in your own beliefs or succumb to the influence of others'.
Every time a champion makes a decision they have a chance to learn something new, regardless of the outcome.
If obstacles are large, jump higher.
If you want to continue to be the best in the world, then you have to train and compete like you are second best in the world.
Act like a champion, and then become one.