draft (or not a WC_Order), then that's a problem.
		foreach ( $order_results as $order ) {
			if ( ! ( $order instanceof WC_Order ) ) {
				throw new Exception( 'The returned results contain a value that is not a WC_Order.' . $suffix );
			}
			if ( ! $order->has_status( self::STATUS ) ) {
				throw new Exception( 'The results contain an order that is not a `wc-checkout-draft` status in the results.' . $suffix );
			}
		}
	}
}