Bug 36128: (QA follow-up) Add regression test

Bug 36128: (QA follow-up) Add regression test

This patch adds a simple regression test to ensure we don't re-introduce
the errant warning.

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
(cherry picked from commit 18c97c1456b527521624fc9be6f8c3bacaba28f1)
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit ed17a680acb74cfd3496ec97c70610fea846f8a9)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>