[Surrey] Fix timed out age test.

Report age uses current_timestamp, so fixed time does
not matter, and 1st August is now over 90 days ago.

t/cobrand/surrey.t

@@ -1,7 +1,6 @@
 use FixMyStreet::TestMech;
 use FixMyStreet::Script::Reports;
 use FixMyStreet::Script::CSVExport;
-use Test::MockTime 'set_fixed_time';
 use File::Temp 'tempdir';
 
 my $mech = FixMyStreet::TestMech->new;
@@ -74,7 +73,6 @@ FixMyStreet::override_config {
         };
 
         subtest 'Old reports are not shown on Surrey cobrand' => sub {
-            set_fixed_time('2024-09-20T12:00:00');
             note 'A newly created report is shown on Surrey cobrand';
             my $json = $mech->get_ok_json('/around?ajax=1&bbox=-0.45869262976076,51.28481314324,-0.42367370886232,51.302390882532');
             is_deeply($json->{pins}, [
@@ -107,7 +105,7 @@ FixMyStreet::override_config {
                 created => $dt,
                 confirmed => $dt,
             });
-            $json = $mech->get_ok_json('/around?ajax=1&bbox=-0.45869262976076,51.28481314324,-0.42367370886232,51.302390882532');
+            $json = $mech->get_ok_json('/around?ajax=1&show_old_reports=1&bbox=-0.45869262976076,51.28481314324,-0.42367370886232,51.302390882532');
             is_deeply($json->{pins}, [
                 [ "51.293415", "-0.441269", "yellow", $report->id, $report->title, "", 'false' ],
             ], 'Open311 report is initially in Surrey cobrand');