public static function setUpBeforeClass()
{
$fdsConfig = new FDSClientConfiguration();
$fdsConfig->setEnableMd5Calculate(true);
$fdsConfig->enableUnitTestMode(true);
$fdsConfig->setBaseUriforunittest("http://files.fds.api.xiaomi.com/");
self::$credential = new BasicFDSCredential("access_key", "access_secret");
self::$fds_client = new GalaxyFDSClient(self::$credential, $fdsConfig);
self::$bucket_name = "test-php-sdk-bucket-name";
}