Adds CI to prevent areas on station without APCs (#22515)

* areas apcs

* oops

* okay lets try this!

* these too

* a lot more changes

* cmon

code/modules/unit_tests/_unit_tests.dm

@@ -4,6 +4,7 @@
 #ifdef UNIT_TESTS
 #include "aicard_icons.dm"
 #include "announcements.dm"
+#include "areas_apcs.dm"
 #include "component_tests.dm"
 #include "config_sanity.dm"
 #include "crafting_lists.dm"

code/modules/unit_tests/areas_apcs.dm

@@ -0,0 +1,12 @@
+/datum/unit_test/area_apcs
+	/// Sometimes, areas may have power, or not. We dont really care about these areas.
+	var/list/optional_areas = list(/area/station/science/toxins/test, /area/station/maintenance/electrical_shop)
+
+/datum/unit_test/area_apcs/Run()
+	for(var/area/station/A in SSmapping.existing_station_areas)
+		if(A.there_can_be_many || A.apc_starts_off || !A.requires_power)
+			continue
+		if(is_type_in_list(A, optional_areas))
+			continue
+		if(!(length(A.apc) == 1))
+			Fail("Area [A] has [length(A.apc)] apcs, instead of 1.")