Add all ruins to unit testing for CI (#73179)

code/modules/mapping/ruins.dm

@@ -81,9 +81,18 @@
 	var/list/forced_ruins = list() //These go first on the z level associated (same random one by default) or if the assoc value is a turf to the specified turf.
 	var/list/ruins_available = list() //we can try these in the current pass
 
+	if(PERFORM_ALL_TESTS(log_mapping))
+		log_mapping("All ruins being loaded for map testing.")
+
 	//Set up the starting ruin list
 	for(var/key in ruins)
 		var/datum/map_template/ruin/R = ruins[key]
+
+		if(PERFORM_ALL_TESTS(log_mapping))
+			R.cost = 0
+			R.allow_duplicates = FALSE // no multiples for testing
+			R.always_place = !R.unpickable // unpickable ruin means it spawns as a set with another ruin
+
 		if(R.cost > budget) //Why would you do that
 			continue
 		if(R.always_place)