Adding few tests to Koha/Object.t in order to highlight what we are
trying to fix.
Note that Koha::ItemType->store was wrong for notforloan, the default
value should be null
`notforloan` smallint(6) DEFAULT NULL,
but the previous fix (bug 21599) made it default to '0'
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com> Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io> Signed-off-by: Nick Clemens <nick@bywatersolutions.com>