Add a small test to prevent regressions. Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com> Acked-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20230510230213.330134-3-iii@linux.ibm.com> Signed-off-by: Thomas Huth <thuth@redhat.com>