Armor Stand Count all if Rotation is 0

1- Place Armor Stands in all 4 directions

2- do /execute if entity @e[type=minecraft:armor_stand,nbt={Rotation:[0.0f,0.0f]}]

3- say Test passed, Count: 4

4- do /execute if entity @e[type=minecraft:armor_stand,nbt={Rotation:[90.0f,0.0f]}]

5- say Test passed, Count: 1