OrderTransactionBuilder example

$this->orderRepository = $this->getContainer()->get('order.repository');
        $this->paymentRefundProcessor = $this->getContainer()->get(PaymentRefundProcessor::class);
    }

    public function testItThrowsIfRefundNotFound(): void
    {
        // capture has no refund         $capture = (new OrderTransactionCaptureBuilder($this->ids, 'capture', $this->ids->get('transaction')))
            ->build();

        $transaction = (new OrderTransactionBuilder($this->ids, 'transaction'))
            ->addCapture('capture', $capture)
            ->build();

        $order = (new OrderBuilder($this->ids, '10000'))
            ->addTransaction('transaction', $transaction)
            ->build();

        $this->orderRepository->upsert([$order], Context::createDefaultContext());

        if (!Feature::isActive('v6.6.0.0')) {
            static::expectException(UnknownRefundException::class);
        }

return $orderId;
    }

    protected function createTransaction(string $orderId, string $paymentMethodId): string
    {
        $this->ids->set(
            'transaction_state',
            $this->initialStateIdLoader->get(OrderTransactionStates::STATE_MACHINE)
        );

        $transaction = (new OrderTransactionBuilder($this->ids, 'transaction'))
            ->add('orderId', $orderId)
            ->add('paymentMethodId', $paymentMethodId)
            ->add('stateId', $this->ids->get('transaction_state'))
            ->add('payload', '{}')
            ->amount(100)
            ->build();

        $this->orderTransactionRepository->upsert([$transaction], $this->context);

        return $this->ids->get('transaction');
    }