Bug 7413: Unit test

Bug 7413: Unit test

This patch makes the new parameter norenewalbefore known to
unit test Circulation_Issuingrule.t.

To test:
1) Before applying the patch:
   prove t/db_dependent/Circulation_Issuingrule.t
2) Notice that the test fails with:
   $got->{norenewalbefore} = undef
   $expected->{norenewalbefore} = Does not exist
3) Apply the patch.
4) Run test again and it should pass.

Sponsored-by: Hochschule für Gesundheit (hsg), Germany
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Brendan Gallagher <brendan@bywatersolutions.com>