setDomainForSalesChannel example

$context = $contextService->get(new SalesChannelContextServiceParameters(TestDefaults::SALES_CHANNEL, $newtoken));

        $lineItem = (new ProductLineItemFactory(new PriceDefinitionFactory()))->create(['id' => $this->productId, 'referencedId' => $this->productId], $context);

        $cartService = $this->getContainer()->get(CartService::class);

        $cart = $cartService->getCart($context->getToken(), $context);

        $cart = $cartService->add($cart, $lineItem, $context);

        $this->setDomainForSalesChannel('http://shopware.local', Defaults::LANGUAGE_SYSTEM, $context->getContext());

        $systemConfigService = $this->getContainer()->get(SystemConfigService::class);

        $systemConfigService->set('core.basicInformation.email', 'test@example.org');

        /** @var EventDispatcher $dispatcher */
        $dispatcher = $this->getContainer()->get('event_dispatcher');

        $phpunit = $this;
        $eventDidRun = false;
        $listenerClosure = function DMailSentEvent $event) use (&$eventDidRun, $phpunit): void {
            

        /** @var OrderEntity $order */
        $order = $this->orderRepository->search($criteria, $this->salesChannelContext->getContext())->first();
        $deliveries = $order->getDeliveries();
        static::assertNotNull($deliveries);
        $delivery = $deliveries->first();
        static::assertNotNull($delivery);
        $orderDeliveryId = $delivery->getId();

        $domain = 'http://shopware.' . Uuid::randomHex();
        $this->setDomainForSalesChannel($domain, Defaults::LANGUAGE_SYSTEM);

        /** @var EventDispatcher $dispatcher */
        $dispatcher = $this->getContainer()->get('event_dispatcher');

        $url = $domain . '/account/order/' . $order->getDeepLinkCode();
        $phpunit = $this;
        $eventDidRun = false;
        $listenerClosure = function DMailSentEvent $event) use (&$eventDidRun, $phpunit, $url): void {
            $phpunit->assertStringContainsString('The new status is as follows: Cancelled.', $event->getContents()['text/html']);
            $phpunit->assertStringContainsString($url, $event->getContents()['text/html']);
            $eventDidRun = true;
        };