getPrePaymentMethodId example

'price' => new CartPrice(10, 10, 10, new CalculatedTaxCollection(), new TaxRuleCollection(), CartPrice::TAX_STATE_NET),
                'shippingCosts' => new CalculatedPrice(10, 10, new CalculatedTaxCollection(), new TaxRuleCollection()),
                'stateId' => $this->getContainer()->get(InitialStateIdLoader::class)->get(OrderStates::STATE_MACHINE),
                'paymentMethodId' => $this->getValidPaymentMethodId(),
                'currencyId' => Defaults::CURRENCY,
                'currencyFactor' => 1,
                'salesChannelId' => TestDefaults::SALES_CHANNEL,
                'orderNumber' => Uuid::randomHex(),
                'transactions' => [
                    [
                        'id' => Uuid::randomHex(),
                        'paymentMethodId' => $this->getPrePaymentMethodId(),
                        'stateId' => $this->getStateMachineState(OrderTransactionStates::STATE_MACHINE, OrderTransactionStates::STATE_OPEN),
                        'amount' => [
                            'unitPrice' => 5.0,
                            'totalPrice' => 15.0,
                            'quantity' => 3,
                            'calculatedTaxes' => [],
                            'taxRules' => [],
                        ],
                    ],
                ],
                'deliveries' => [
                    [

                            'id' => $ids->create('position'),
                            'orderLineItemId' => $ids->create('line-item'),
                            'price' => new CalculatedPrice(200, 200, new CalculatedTaxCollection(), new TaxRuleCollection()),
                        ],
                    ],
                ],
            ],
            'transactions' => [
                [
                    'id' => $ids->create('transaction'),
                    'paymentMethodId' => $this->getPrePaymentMethodId(),
                    'stateId' => $this->getStateId('open', 'order_transaction.state'),
                    'amount' => new CalculatedPrice(200, 200, new CalculatedTaxCollection(), new TaxRuleCollection()),
                ],
            ],
        ];

        $this->getContainer()->get('order.repository')
            ->create([$data], Context::createDefaultContext());
    }

    private function createCustomer(TestDataCollection $ids): string
    {

                            'id' => $ids->create('position'),
                            'orderLineItemId' => $ids->create('line-item'),
                            'price' => new CalculatedPrice(200, 200, new CalculatedTaxCollection(), new TaxRuleCollection()),
                        ],
                    ],
                ],
            ],
            'transactions' => [
                [
                    'id' => $ids->create('transaction'),
                    'paymentMethodId' => $this->getPrePaymentMethodId(),
                    'stateId' => $this->getStateId('open', 'order_transaction.state'),
                    'amount' => new CalculatedPrice(200, 200, new CalculatedTaxCollection(), new TaxRuleCollection()),
                ],
            ],
        ];

        $this->getContainer()->get('order.repository')
            ->create([$data], Context::createDefaultContext());
    }

    private function getStateId(string $state, string $machine): ?string
    {