Del The World: Unit testing for hard deletes (#59612)

Co-authored-by: SteelSlayer <42044220+SteelSlayer@users.noreply.github.com>

code/modules/flufftext/Hallucination.dm

@@ -113,6 +113,9 @@ GLOBAL_LIST_INIT(hallucination_list, list(
 
 /obj/effect/hallucination/simple/Initialize(mapload, mob/living/carbon/T)
 	. = ..()
+	if(!T)
+		stack_trace("A hallucination was created with no target")
+		return INITIALIZE_HINT_QDEL
 	target = T
 	current_image = GetImage()
 	if(target.client)