createAvailabilityRule example

/** * Prepares all conditions for the given error to occur on a cart page visit. */
    private function prepareErrors(
        Error $error,
        KernelBrowser $browser,
        string $salesChannelId,
        string $productId,
        bool $shouldSwitchToDefault
    ): void {
        $availabilityRuleId = $this->createAvailabilityRule($salesChannelId);
        $salesChannelRepository = $this->getContainer()->get('sales_channel.repository');

        if ($error instanceof ShippingMethodChangedError) {
            $shippingMethodRepository = $this->getContainer()->get('shipping_method.repository');
            $blockedId = $this->getShippingMethodIdByName($error->getOldShippingMethodName());
            $newId = $this->getShippingMethodIdByName($error->getNewShippingMethodName());

            $shippingMethodRepository->update([
                [
                    'id' => $blockedId,
                    'availabilityRuleId' => $availabilityRuleId,
                ],