<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

require __DIR__ . '/../../../Magento/Catalog/_files/products.php';

/** @var $quote \Magento\Quote\Model\Quote */
$quote = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(\Magento\Quote\Model\Quote::class);
$quote->setStoreId(1)->setIsActive(false)->setIsMultiShipping(false)->addProduct($product->load($product->getId()), 2);

$quote->getPayment()->setMethod('checkmo');

$quote->collectTotals();
$quote->save();

$quote->getPayment()->setMethod('checkmo');
