/**
* @test
*/
public function testGetGuid()
{
$file = new Filesystem();
$re = "/([a-z0-9]{8})-([a-z0-9]{4})-([a-z0-9]{4})-([a-z0-9]{4})-([a-z0-9]{12})/";
$guid = $file->getGuid();
preg_match_all($re, $guid, $matches);
$this->assertEquals($matches[0][0], $guid);
}
