Bug 34279: Unit tests

Bug 34279: Unit tests

Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 8096ec9fff44a04c8ff32525499652116d1a8ad0)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 3e360c5637c1f910100e10f049823fda01f588d9)
Signed-off-by: Pedro Amorim <pedro.amorim@ptfs-europe.com>
(cherry picked from commit 0860515897fbcedab332c093cc32193d37bed465)
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>