if {test::%player%} is set:でクールタイムを作った時に、waitを使うとバグる

on rightclick holding enchanted book:
    if uncoloured name of player's tool is "test":
        if {test::%player%} is set:
            difference of {test::%player%} and now < 5 seconds
            stop
        execute console command "playsound minecraft:block.portal.trigger ambient %player% ~ ~ ~ 1 2 1"
        set {_countdown} to 10
        apply potion of speed 2 without particles to player for 10 seconds
        apply potion of jump boost 10 without particles to player for 10 seconds
        loop 7 times:
            send action bar "&a&l残り時間&c&l%{_countdown}%&a&l秒" to player
            execute console command "/playsound entity.experience_orb.pickup master %player% ~ ~ ~ 1 0.5 1"
            wait 1 seconds
            set {_countdown} to {_countdown} - 1
        loop 3 times:
            send action bar "&a&l残り時間&c&l%{_countdown}%&a&l秒" to player
            execute console command "/playsound entity.experience_orb.pickup master %player% ~ ~ ~ 1 1 1"
            wait 1 seconds
            set {_countdown} to {_countdown} - 1
        execute console command "/playsound minecraft:entity.ender_dragon.growl ambient %player% ~ ~ ~ 1 1 1"
        remove speed from the player
        remove jump boost from the player
        set {test::%player%} to now