MigrationTest::testUpgradeWithAddColumnByCallable PHP Method

    public function testUpgradeWithAddColumnByCallable()
    {
        ob_start();
        $this->conn->query('DROP TABLE IF EXISTS foo');
        $this->conn->query('CREATE TABLE foo (id INTEGER PRIMARY KEY, name varchar(32));');
        $migration = new AddCellphoneMigration($this->conn, $this->queryDriver, $this->logger);
        $migration->upgrade();
        $migration->downgrade();
        $this->conn->query('DROP TABLE IF EXISTS foo');
        ob_end_clean();
    }