code/modules/unit_tests/outfit_sanity.dm

/datum/outfit/stacks_in_hands	List of infuser_entry typepaths which contain species-changing organs. Species change swaps out all the organs, making test_organ un-usable after insertion. See #66313 and #60901. outfit_sanity used to runtime whenever you had two mergable sheets in either hand. Previously, this only had a 3% chance of occuring. Now 100%.