fixing a bunch of unit test/runtime issues

code/modules/clothing/suits/cloaks.dm

@@ -103,7 +103,7 @@
 	. = ..()
 	AddElement(/datum/element/polychromic, poly_colors, 3)
 
-/obj/item/clothing/neck/cancloak/polychromic
+/obj/item/clothing/neck/cloak/cancloak/polychromic
 	name = "canvas cloak"
 	desc = "A rugged cloak made of canvas."
 	icon_state = "cancloak"

code/modules/food_and_drinks/kitchen_machinery/smartfridge.dm

@@ -468,7 +468,7 @@
 		/obj/item/reagent_containers/medspray/sterilizine = 1)
 
 /obj/machinery/smartfridge/organ/preloaded/Initialize()
-	..()
+	. = ..()
 	var/list = list(/obj/item/organ/tongue, /obj/item/organ/brain, /obj/item/organ/heart, /obj/item/organ/liver, /obj/item/organ/ears, /obj/item/organ/eyes, /obj/item/organ/tail, /obj/item/organ/stomach)
 	var/newtype = pick(list)
 	load(new newtype(src.loc))

code/modules/integrated_electronics/subtypes/atmospherics.dm

@@ -19,7 +19,7 @@
 
 /obj/item/integrated_circuit/atmospherics/Initialize()
 	air_contents = new(volume)
-	..()
+	return ..()
 
 /obj/item/integrated_circuit/atmospherics/return_air()
 	return air_contents

code/modules/projectiles/guns/misc/syringe_gun.dm

@@ -114,7 +114,7 @@
 	can_unsuppress = FALSE
 
 /obj/item/gun/syringe/dart/Initialize()
-	..()
+	. = ..()
 	chambered = new /obj/item/ammo_casing/syringegun/dart(src)
 
 /obj/item/gun/syringe/dart/attackby(obj/item/A, mob/user, params, show_msg = TRUE)

code/modules/unit_tests/keybinding_init.dm

@@ -3,4 +3,4 @@
 		var/datum/keybinding/KB = i
 		if(initial(KB.keybind_signal) || !initial(KB.name))
 			continue
-		Fail("[KB.name] does not have a keybind signal defined.")
+		Fail("[initial(KB.name)] does not have a keybind signal defined.")

code/modules/unit_tests/merge_type.dm

@@ -10,6 +10,6 @@
 	var/list/paths = subtypesof(/obj/item/stack) - blacklist
 
 	for(var/stackpath in paths)
-		var/obj/item/stack/stack = stackpath
-		if(!initial(stack.merge_type))
+		var/obj/item/stack/stack = new stackpath
+		if(!stack.merge_type)
 			Fail("([stack]) lacks set merge_type variable!")