There are tests that would be evidence for simulation, but not really any that are evidence against. Just because we can't see evidence of the simulation where

There are tests that would be evidence for simulation, but not really any that are evidence against. Just because we can't see evidence of the simulation where we look doesn't mean it's not a better simulation than we can probe, or our gods are mucking with our perceptions to make every test come out negative. There aren't any experiments that would actually falsify the hypothesis that our entire world is a fabrication because those experiments could also be fabricated. This is true for finding proof of God: A spectacular miracle is pretty good evidence, but lack of a miracle can't ever disprove the theory.