*/
public static function createTestZip($zipName, $dirs, $files) {
$zip = new ZipArchive();
- $res = $zip->open($zipName, ZipArchive::CREATE);
+ $res = $zip->open($zipName, ZipArchive::OVERWRITE);
if ($res === TRUE) {
foreach ($dirs as $dir) {
if (!$zip->addEmptyDir($dir)) {