C4::Bookseller::ModBookseller($bookseller);
$bookseller = Koha::Acquisition::Bookseller->fetch({ id => $booksellerid });
# Ensure that the preference 'LetterLog' is set to logging
C4::Context->set_preference( 'LetterLog', 'on' );
{
warning_is {
$err = SendAlerts( 'claimacquisition', [ $ordernumber ], 'TESTACQCLAIM' ) }
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