Bug 36018: (follow-up) Do not rely on assumed correct quantities

Bug 36018: (follow-up) Do not rely on assumed correct quantities

Now filter_by_active checks quantities, we should ascertain that
our test data is correct, not leaving it to random values from
TestBuilder.

Test plan:
Run t/db_dependent/Koha/Acquisition/Order.t

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Janusz Kaczmarek <januszop@gmail.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>