The computer science equivalent of choosing between the red, green and blue wires when disarming a nuke with 15 seconds left on the clock

Is it though? Or is it, oh, this is such a simple change that we really don't need to test it attitude? I'm not saying this applies to TFA, but some people are so confident that no pressure is felt.

However, you forgot that the lighting conditions are where only red lights from the klaxons are showing so you really can't differentiate the colors of the wires