Merge remote-tracking branch 'citadel/master' into lettern-git-updates

code/modules/unit_tests/character_saving.dm

@@ -10,5 +10,9 @@
 			Fail("Flavor text is failing to save.")
 		if(P.features["ooc_notes"] != "Bar")
 			Fail("OOC text is failing to save.")
+		P.save_character()
+		P.load_character()
+		if(P.features["flavor_text"] != "Foo")
+			Fail("Repeated saving and loading possibly causing save deletion.")
 	catch(var/exception/e)
 		Fail("Failed to save and load character due to exception [e.file]:[e.line], [e.name]")

code/modules/unit_tests/reactions.dm

@@ -0,0 +1,6 @@
+/datum/unit_test/reactions/Run()
+	for(var/datum/gas_reaction/G in SSair.gas_reactions)
+		var/test_info = G.test()
+		if(!test_info["success"])
+			var/message = test_info["message"]
+			Fail("Gas reaction [G.name] is failing its unit test with the following message: [message]")