修复测试方法不清空旁观 Bug

data/test/functions/start_hotpm.mcfunction

@@ -1,5 +1,6 @@
 # 测试用：快速开始 Hot Potato
 
+tag @a remove watcher
 scoreboard players set $mini_type mem 3
 function mini:main/game_init
 function ltw:state/4/state_enter

data/test/functions/start_parkour.mcfunction

@@ -1,5 +1,6 @@
 # 测试用：快速开始跑酷
 
+tag @a remove watcher
 scoreboard players set $mini_type mem 1
 function mini:main/game_init
 function ltw:state/4/state_enter

data/test/functions/start_random.mcfunction

@@ -1,5 +1,6 @@
 # 测试用：快速开始随机小游戏
 
+tag @a remove watcher
 function ltw:state/3/state_enter
 function ltw:state/4/state_enter
 scoreboard players set $countdown mem 5

data/test/functions/start_tntrun.mcfunction

@@ -1,5 +1,6 @@
 # 测试用：快速开始 TNT Run
 
+tag @a remove watcher
 scoreboard players set $mini_type mem 2
 function mini:main/game_init
 function ltw:state/4/state_enter