ValidateResponse example

static::assertSame(0, $this->getRequestCount());
    }

    public function testValidateWithErrorMessage(): void
    {
        $paymentMethodId = $this->getPaymentMethodId('prepared');
        $cart = Generator::createCart();
        $customerId = $this->createCustomer();
        $salesChannelContext = $this->getSalesChannelContext($paymentMethodId, $customerId);

        $response = (new ValidateResponse())->assign([
            'message' => self::ERROR_MESSAGE,
        ]);
        $this->appendNewResponse($this->signResponse($response->jsonSerialize()));

        if (!Feature::isActive('v6.6.0.0')) {
            $this->expectException(ValidatePreparedPaymentException::class);
        }
        $this->expectException(PaymentException::class);
        $this->expectExceptionMessageMatches(sprintf('/%s/', self::ERROR_MESSAGE));
        $this->preparedPaymentService->handlePreOrderPayment($cart, new RequestDataBag(), $salesChannelContext);
    }