Bug 19915: Add unit test to GetItemsForInventory.t

Bug 19915: Add unit test to GetItemsForInventory.t

prove -v t/db_dependent/Items/GetItemsForInventory.t

Signed-off-by: Anne-Claire Bernaudin <anne-claire.bernaudin@univ-rennes1.fr>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Moved the betwen typo edit back here.

https://bugs.koha-community.org/show_bug.cgi?id=19905

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
(cherry picked from commit 186209875a4951b15faded3f8c47eba71716c7af)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>