newsupernova/dev/tests/integration/testsuite/Magento/Checkout/_files/quote.php

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

$quote = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(\Magento\Quote\Model\Quote::class);
$quote->setData(['store_id' => 1, 'is_active' => 0, 'is_multi_shipping' => 0]);
$quote->save();