protected function setUp() {
if (!class_exists('PDO') || !in_array('sqlite', \PDO::getAvailableDrivers())) {
$this
->markTestSkipped('This test requires SQLite support in your environment');
}
$this->pdo = new \PDO("sqlite::memory:");
$this->pdo
->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
$sql = "CREATE TABLE sessions (sess_id VARCHAR(255) PRIMARY KEY, sess_data TEXT, sess_time INTEGER)";
$this->pdo
->exec($sql);
}