diff --git a/test/units/testsuite-17.00.sh b/test/units/testsuite-17.00.sh
new file mode 100755
index 0000000000..0203af88c4
--- /dev/null
+++ b/test/units/testsuite-17.00.sh
@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -ex
+set -o pipefail
+
+# shellcheck source=test/units/util.sh
+. "$(dirname "$0")"/util.sh
+
+# Tests for issue #28588 and #28653.
+
+assert_in "systemd-tmpfiles-setup-dev.service" "$(systemctl show --property After --value systemd-udevd.service)"
+assert_in "systemd-udevd.service" "$(systemctl show --property Before --value systemd-tmpfiles-setup-dev.service)"
+
+if [[ -f /dev/vfio/vfio ]]; then
+   assert_in "crw-rw-rw-" "$(stat --format=%A /dev/vfio/vfio)"
+fi
+
+exit 0