diff --git a/t/db_dependent/Koha/Biblio.t b/t/db_dependent/Koha/Biblio.t
index 38164b6494..61852492d4 100755
--- a/t/db_dependent/Koha/Biblio.t
+++ b/t/db_dependent/Koha/Biblio.t
@@ -17,7 +17,7 @@
 
 use Modern::Perl;
 
-use Test::More tests => 24;
+use Test::More tests => 25;
 use Test::Exception;
 use Test::Warn;
 
@@ -1126,6 +1126,18 @@ subtest 'item_groups() tests' => sub {
     $schema->storage->txn_rollback;
 };
 
+subtest 'normalized_isbn' => sub {
+    plan tests => 1;
+
+    # We will move the tests from GetNormalizedISBN here when it will get replaced
+    my $biblio = $builder->build_sample_biblio();
+    $biblio->biblioitem->set( { isbn => '9781250067128 | 125006712X' } )->store;
+    is(
+        $biblio->normalized_isbn, C4::Koha::GetNormalizedISBN( $biblio->biblioitem->isbn ),
+        'normalized_isbn is a wrapper around C4::Koha::GetNormalizedISBN'
+    );
+};
+
 sub component_record1 {
     my $marc = MARC::Record->new;
     $marc->append_fields(