getValidCountryIdWithTaxes example

protected function setUp(): void
    {
        parent::setUp();
        $this->context = Context::createDefaultContext();

        $priceRuleId = Uuid::randomHex();

        $this->customerId = $this->createCustomer();
        $shippingMethodId = $this->createShippingMethod($priceRuleId);
        $paymentMethodId = $this->createPaymentMethod($priceRuleId);
        $this->addCountriesToSalesChannel([$this->getValidCountryIdWithTaxes()]);
        $this->salesChannelContext = $this->getContainer()->get(SalesChannelContextFactory::class)->create(
            Uuid::randomHex(),
            TestDefaults::SALES_CHANNEL,
            [
                SalesChannelContextService::CUSTOMER_ID => $this->customerId,
                SalesChannelContextService::SHIPPING_METHOD_ID => $shippingMethodId,
                SalesChannelContextService::PAYMENT_METHOD_ID => $paymentMethodId,
            ]
        );

        $this->salesChannelContext->setRuleIds([$priceRuleId]);
    }