Bug 30418: Fix t/Koha/Auth/Permissions.t

Bug 30418: Fix t/Koha/Auth/Permissions.t

koha_1       |     #   Failed test 'Expected permissions generated for superlibrarian'
koha_1       |     #   at t/Koha/Auth/Permissions.t line 283.
koha_1       |     #     Structures begin differing at:
koha_1       |     #          $got->{CAN_user_lists_edit_public_list_contents} = '1'
koha_1       |     #     $expected->{CAN_user_lists_edit_public_list_contents} = Does not exist
koha_1       |     # Looks like you failed 1 test of 1.
koha_1       |
koha_1       | #   Failed test 'superlibrarian tests'
koha_1       | #   at t/Koha/Auth/Permissions.t line 284.
koha_1       | # Looks like you failed 1 test of 3.
koha_1       | [23:34:42] t/Koha/Auth/Permissions.t

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