$dbname = 'unittest-domain'; // explodes if DB is selected
$factory = $this->newLBFactoryMulti(
[ 'localDomain' => ( new DatabaseDomain( $dbname, null, '' ) )->getId() ],
$dbname = 'unittest-domain'; // explodes if DB is selected
$factory = $this->newLBFactoryMulti(
[ 'localDomain' => ( new DatabaseDomain( $dbname, null, '' ) )->getId() ],