Objectively speaking, BTC has not yet undergone any stress test in the financial and economic depression and collapse. We are not sure how it will develop in the future, but fortunately each of us can see whether BTC can replace gold.
It's not compulsory for Bitcoin to pass through certain sort of stress to be categorised among the word best.
It's about it serving it's through purpose. Government sanction along is enough stress for it. Anyway, still yet, Bitcoin, oil or gold can't replace each other, they have their purposes.