Bug 26963: (QA follow-up) Update mocked return of pickup_locations

Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>

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

t/db_dependent/Template/Plugin/Branches.t

@@ -137,7 +137,8 @@ subtest 'pickup_locations() tests' => sub {
     $item_class->mock(
         'pickup_locations',
         sub {
-            return [$library_1];
+            return Koha::Libraries->search(
+                { branchcode => $library_1->branchcode } );
         }
     );