public static function setUpBeforeClass()
{
if (self::$hasSetUp) {
return;
}
$config = ['keyFilePath' => getenv('GOOGLE_CLOUD_PHP_TESTS_KEY_PATH'), 'namespaceId' => uniqid(self::TESTING_PREFIX)];
self::$client = new DatastoreClient($config);
self::$returnInt64AsObjectClient = new DatastoreClient($config + ['returnInt64AsObject' => true]);
self::$hasSetUp = true;
}