public function initialize()
{
require_once "vendor/autoload.php";
define('YII_DEBUG', false);
require_once "vendor/yiisoft/yii2/Yii.php";
$application = new yii\console\Application(['id' => 'yii-benchmark', 'basePath' => __DIR__]);
Author::$db = Book::$db = $this->db = new Connection(['dsn' => 'sqlite::memory:']);
$this->db->open();
Author::createTable();
Book::createTable();
}