Bug 10767: add unit tests for C4::Circulation routines that use issuingrules

Bug 10767: add unit tests for C4::Circulation routines that use issuingrules

The test are wrap in a transaction.

To test:
prove t/db_dependent/Circulation_Issuingrule.t
t/db_dependent/Circulation_Issuingrule.t .. ok
All tests successful.
Files=1, Tests=9, 17 wallclock secs ( 0.02 usr  0.00 sys +  0.34 cusr  0.04 csys =  0.40 CPU)
Result: PASS

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
Comment: No koha-qa errors
prove t/db_dependent/Circulation_Issuingrule.t run without errors

Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>