subtest 'Test  convert_nonprinting_characters' => sub {

    my $schema = Koha::Database->new->schema;

    $schema->storage->txn_begin;

    plan tests => 1;

    my $builder = t::lib::TestBuilder->new();

    my $branchcode = $builder->build({ source => 'Branch' })->{branchcode};

    my ( $response, $findpatron );

    my $mocks = create_mocks( \$response, \$findpatron, \$branchcode );

    my $seen_patron = $builder->build({

        source => 'Borrower',

        value  => {

            lastseen => '2001-01-01',

            password => hash_password( PATRON_PW ),

            branchcode => $branchcode,

            dateexpiry => '3000-01-01',

            debarred => '3000-01-01',

            debarredcomment => "Comment 1\nComment 2\nComment 3",

        },

    });

    my $cardnum = $seen_patron->{cardnumber};

    my $sip_patron = C4::SIP::ILS::Patron->new( $cardnum );

    $findpatron = $sip_patron;

        my $siprequest = PATRON_INFO . 'engYYYYMMDDZZZZHHMMSS' . '          ' .

            FID_INST_ID . $branchcode . '|' .

            FID_PATRON_ID . $cardnum . '|' .

            FID_PATRON_PWD . PATRON_PW . '|';

        my $msg = C4::SIP::Sip::MsgType->new( $siprequest, 0 );

    my $server = { ils => $mocks->{ils}, account => { convert_nonprinting_characters => ' -- '}  };

    $msg->handle_patron_info( $server );

    like( $response, qr/Comment 1 -- Comment 2 -- Comment 3/, "Response contains converted restriction comment" );

    $schema->storage->txn_rollback;

};