use SIGNAL_HANDLER REEEEEE (#59242)

makes as many procs as i can find use the SIGNAL_HANDLER define which i assumed they all already did

code/modules/unit_tests/combat.dm

@@ -41,12 +41,15 @@
 	var/pre_attack_hit
 
 /datum/unit_test/attack_chain/proc/attack_hit()
+	SIGNAL_HANDLER
 	attack_hit = TRUE
 
 /datum/unit_test/attack_chain/proc/post_attack_hit()
+	SIGNAL_HANDLER
 	post_attack_hit = TRUE
 
 /datum/unit_test/attack_chain/proc/pre_attack_hit()
+	SIGNAL_HANDLER
 	pre_attack_hit = TRUE
 
 /datum/unit_test/attack_chain/Run()

code/modules/unit_tests/emoting.dm

@@ -22,4 +22,5 @@
 	TEST_ASSERT_EQUAL(emotes_used, 2, "Human could not deathgasp while unconscious")
 
 /datum/unit_test/emoting/proc/on_emote_used()
+	SIGNAL_HANDLER
 	emotes_used += 1