use Modern::Perl;
+use t::lib::Mocks;
use C4::Context;
use C4::Members;
use C4::Letters;
is( $suggestions->[0]->{title}, $del_suggestion->{title}, 'DelSuggestion deletes the correct suggestion' );
## Bug 11466, making sure GetSupportList() returns itemtypes, even if AdvancedSearchTypes has multiple values
-C4::Context->set_preference("AdvancedSearchTypes", 'itemtypes|loc|ccode');
+t::lib::Mocks::mock_preference("AdvancedSearchTypes", 'itemtypes|loc|ccode');
my $itemtypes1 = C4::Koha::GetSupportList();
is(@$itemtypes1, 8, "Purchase suggestion itemtypes collected, multiple AdvancedSearchTypes");
-C4::Context->set_preference("AdvancedSearchTypes", 'itemtypes');
+t::lib::Mocks::mock_preference("AdvancedSearchTypes", 'itemtypes');
my $itemtypes2 = C4::Koha::GetSupportList();
is(@$itemtypes2, 8, "Purchase suggestion itemtypes collected, default AdvancedSearchTypes");