new_client 1 x11
create 1/1
show 1/1
create 1/2 csd
show 1/2
wait
assert_stacking 1/1 1/2

destroy 1/2
wait
assert_stacking 1/1

create 1/2 csd
show 1/2
create 1/3 csd
show 1/3
wait
assert_stacking 1/1 1/2 1/3

destroy 1/2
wait
assert_stacking 1/1 1/3