public static function write(PHPUnit_Extensions_Database_DataSet_IDataSet $dataset, $filename) { $pers = new PHPUnit_Extensions_Database_DataSet_Persistors_Xml(); $pers->setFileName($filename); try { $pers->write($dataset); } catch (RuntimeException $e) { throw new PHPUnit_Framework_Exception(__METHOD__ . ' called with an unwritable file.'); } }