Bug 14801: Fix Reserves.t

Bug 14801: Fix Reserves.t

Fix the following errors:
not ok 59 - Bug 14464 - No fines at beginning
ok 60 - Bug 14464 - 1st reserve correctly created
not ok 61 - Bug 14464 - No fines after cancelling reserve with no charge configured
ok 62 - Bug 14464 - 2nd reserve correctly created
not ok 63 - Bug 14464 - No fines after cancelling reserve with no charge desired

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Marc Veron <veron@veron.ch>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Amended the x==0 test with !x || x==0 to include 0.00 and prevent warn.
Signed-off-by: Tomas Cohen Arazi <tomascohen@unc.edu.ar>