<?php
/**
 * Copyright © 2013-2017 Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

use Magento\TestFramework\Helper\Bootstrap;

Bootstrap::getInstance()->loadArea(
    \Magento\Backend\App\Area\FrontNameResolver::AREA_CODE
);

/** @var $product \Magento\Catalog\Model\Product */
$product = Bootstrap::getObjectManager()->create(\Magento\Catalog\Model\Product::class);
$product->setTypeId('virtual')
    ->setId(1)
    ->setAttributeSetId(4)
    ->setName('Simple Product')
    ->setSku('simple')
    ->setPrice(10)
    ->setStoreId(1)
    ->setStockData(
        [
            'use_config_manage_stock' => 1,
            'qty' => 100,
            'is_qty_decimal' => 0,
            'is_in_stock' => 100
        ]
    )
    ->setVisibility(\Magento\Catalog\Model\Product\Visibility::VISIBILITY_BOTH)
    ->setStatus(\Magento\Catalog\Model\Product\Attribute\Source\Status::STATUS_ENABLED)
    ->save();
$product->load(1);

/** @var $quote \Magento\Quote\Model\Quote */
$quote = Bootstrap::getObjectManager()->create(\Magento\Quote\Model\Quote::class);
$quoteItem = $quote->setCustomerId(
    1
)->setStoreId(
    \Magento\TestFramework\Helper\Bootstrap::getObjectManager()->get(
        \Magento\Store\Model\StoreManagerInterface::class
    )->getStore()->getId()
)->setReservedOrderId(
    'test01'
)->addProduct(
    $product,
    10
);
/** @var $quoteItem \Magento\Quote\Model\Quote\Item */
$quoteItem->setQty(1);
$quote->getPayment()->setMethod('checkmo');
$quote->getBillingAddress();
$quote->getShippingAddress()->setCollectShippingRates(true);
$quote->collectTotals();
$quote->save();
$quoteItem->setQuote($quote);
$quoteItem->save();
