test: check shim private dir cleanup

This asserts that no shim private dir was left behind after all containers terminate.

Signed-off-by: Ophestra <cat@gensokyo.uk>

test/sandbox/test.py

@@ -84,3 +84,4 @@ machine.wait_for_file("/tmp/sway-exit-ok")
 
 # Print hakurei runDir contents:
 print(machine.fail("ls /run/user/1000/hakurei"))
+machine.succeed("find /tmp -maxdepth 1 -type d -name '.hakurei-shim-*' -print -exec false '{}' +")

test/test.py

@@ -226,8 +226,10 @@ machine.send_chars("clear; pactl info && touch /var/tmp/pulse-ok\n")
 machine.wait_for_file("/var/tmp/pulse-ok", timeout=15)
 collect_state_ui("pulse_wayland")
 check_state("pa-foot", {"wayland": True, "pipewire": True})
+machine.fail("find /tmp -maxdepth 1 -type d -name '.hakurei-shim-*' -print -exec false '{}' +")
 machine.send_chars("exit\n")
 machine.wait_until_fails("pgrep foot", timeout=5)
+machine.succeed("find /tmp -maxdepth 1 -type d -name '.hakurei-shim-*' -print -exec false '{}' +")
 # Test PipeWire SecurityContext:
 machine.succeed("sudo -u alice -i XDG_RUNTIME_DIR=/run/user/1000 hakurei -v run --pulse pactl info")
 machine.fail("sudo -u alice -i XDG_RUNTIME_DIR=/run/user/1000 hakurei -v run --pulse pactl set-sink-mute @DEFAULT_SINK@ toggle")
@@ -288,6 +290,7 @@ print(machine.succeed("find /tmp/hakurei.0 "
     + "-path '/tmp/hakurei.0/tmpdir/*/*' -prune -o "
     + "-print"))
 print(machine.succeed("find /run/user/1000/hakurei"))
+machine.succeed("find /tmp -maxdepth 1 -type d -name '.hakurei-shim-*' -print -exec false '{}' +")
 
 # Verify go test status:
 machine.wait_for_file("/tmp/hakurei-test-done")