getOrderRouteWithValidOrder example

$orderId = Uuid::randomHex();

        $page = new CheckoutFinishPage();

        $pageLoader = $this->createMock(GenericPageLoader::class);
        $pageLoader->method('load')
            ->willReturn($page);

        $checkoutFinishPageLoader = new CheckoutFinishPageLoader(
            $this->createMock(EventDispatcher::class),
            $pageLoader,
            $this->getOrderRouteWithValidOrder($orderId),
        );

        $request = new Request([], [], [
            'orderId' => $orderId,
            'changedPayment' => false,
            'paymentFailed' => false,
        ]);

        $page = $checkoutFinishPageLoader->load(
            $request,
            $this->getContextWithDummyCustomer(),
        );