<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
use Magento\TestFramework\Workaround\Override\Fixture\Resolver;

Resolver::getInstance()->requireDataFixture('Magento/Customer/_files/customer_rollback.php');

/** @var \Magento\Framework\Registry $registry */
$registry = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(\Magento\Framework\Registry::class);
$registry->unregister('isSecureArea');
$registry->register('isSecureArea', true);

/** @var $website Magento\Store\Model\Website */
$website = \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->create(\Magento\Store\Model\Website::class);
$website->load('newwebsite', 'code');
if ($website->getId()) {
    $website->delete();
}

$registry->unregister('isSecureArea');
$registry->register('isSecureArea', false);