[MC-54095] testfor entity in specific coordinates don't work

when i

/testfor @e[type=MinecartRideable,7,35,19,-5,35,19]

in the commandblock its ignore the coordinates and it testfor all minecart in the loaded chunks

also i tried

/testfor @e[type=MinecartRideable,1,35,19,6]

/testfor @e[type=MinecartRideable,x=1,y=35,z=19,r=6]

/testfor @e[type=MinecartRideable,x=7,y=35,z=19,dx=-5,dy=35,dz=19]

i hope i describe this well