Port unit tests (#11016)

Author: Redmoogle

code/__HELPERS/_logging.dm

@@ -29,7 +29,7 @@
 #define testing(msg)
 #endif
 
-#ifdef UNIT_TESTS
+#if defined(UNIT_TESTS) || defined(SPACEMAN_DMM)
 /proc/log_test(text)
 	WRITE_LOG(GLOB.test_log, text)
 	SEND_TEXT(world.log, text)

code/modules/unit_tests/_unit_tests.dm

@@ -1,7 +1,7 @@
 //include unit test files in this module in this ifdef
 //Keep this sorted alphabetically
 
-#ifdef UNIT_TESTS
+#if defined(UNIT_TESTS) || defined(SPACEMAN_DMM)
 #include "anchored_mobs.dm"
 #include "component_tests.dm"
 #include "reagent_id_typos.dm"