Bug 17499: Replace test subroutines with build_object

Bug 17499: Replace test subroutines with build_object

This patch replaces subroutines used to build test
objects with call to $builder->build_object.

To test prove that tests are still running with:
prove t/db_dependent/Koha/Patron/Message/*

Sponsored-by: Koha-Suomi Oy
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Michal Denar <black23@gmail.com>
Signed-off-by: Sam Lau <samalau@gmail.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>