test: add cleanup script

test/cleanup.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+SELF=$(dirname "$(readlink -f "$0")")
+. "$SELF/oslist.sh"
+
+set -euxo pipefail
+
+# Images
+rm -rfv "$IMAGES"
+# Incus-Images
+for img in $(incus image list -f csv -c l | grep "^unify-test"); do
+  incus image delete "$img"
+done
+# Test-Containers
+for cont in $(incus ls -f csv -c n | grep "^unify-[0-9]*-test"); do
+  incus delete -f "$cont"
+done
+# Dev-Containers
+for cont in $(incus ls -f csv -c n | grep "^unify-"); do
+  incus delete -f "$cont"
+done