Fixes to pass CI.

Author: MistakeNot4892

code/unit_tests/equipment_tests.dm

@@ -55,7 +55,7 @@
 
 	for(var/storage_type in typesof(/obj))
 		var/obj/thing = storage_type
-		if(TYPE_IS_ABSTRACT(thing) || !ispath(initial(thing.storage), /datum/storage))
+		if(!TYPE_IS_SPAWNABLE(thing) || !ispath(initial(thing.storage), /datum/storage))
 			continue
 		thing = new thing //should be fine to put it in nullspace...
 		var/bad_msg = "[ascii_red]--------------- [thing.name] \[[thing.type] | [thing.storage]\]"

mods/content/polaris/datum/materials.dm

@@ -6,4 +6,5 @@
 /decl/material/solid/organic/plantmatter/grass/sif
 	name  = "sifmoss"
 	color = "#447171"
+	uid = "mat_solid_sifmoss"
 	dug_drop_type = /obj/item/stack/material/bundle