Bug 23820: Fix Koha/Club/Hold.t

Bug 23820: Fix Koha/Club/Hold.t

kohadev-koha@kohadevbox:/kohadevbox/koha$ prove t/db_dependent/Koha/Club/Hold.t
t/db_dependent/Koha/Club/Hold.t .. Patron(238) Hold cannot be placed. Reason: libraryNotPickupLocation at /kohadevbox/koha/Koha/Club/Hold.pm line 98.
    # Looks like you planned 5 tests but ran 4.
t/db_dependent/Koha/Club/Hold.t .. 1/1
 #   Failed test 'add'
 #   at t/db_dependent/Koha/Club/Hold.t line 86.
Can't call method "borrowernumber" on an undefined value at t/db_dependent/Koha/Club/Hold.t line 83.

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>