new_client w wayland

# Create two Wayland windows, and make the second a transient of the
# first. Then make the parent not actually ever show, but show the
# transient.

# Then make sure that hiding the transient can hide without causing
# issues.

# https://gitlab.gnome.org/GNOME/mutter/-/issues/862

create w/1 csd
create w/2 csd

set_parent w/2 1

freeze w/1

show w/1 async
show w/2

wait

assert_stacking w/1 w/2

hide w/2
wait

assert_stacking w/1

hide w/2
wait