Bug 18729: Add more tests

Bug 18729: Add more tests

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 9294ab967af113e39a575b116f6a1aa680931bfd)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit f6755b446b47afa2e8d85d630062bbcdae85558f)

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>