Bug 30531: Add mock of UseRecalls to Search.t

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>

t/db_dependent/Search.t

@@ -154,6 +154,8 @@ $contextmodule->mock('preference', sub {
         return 'branch';
     } elsif ($pref eq 'SearchLimitLibrary') {
         return 'both';
+    } elsif ($pref eq 'UseRecalls') {
+        return '0';
     } else {
         warn "The syspref $pref was requested but I don't know what to say; this indicates that the test requires updating"
             unless $pref =~ m/(XSLT|item|branch|holding|image)/i;