<?php
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
declare(strict_types=1);

/** @var $objectManager \Magento\TestFramework\ObjectManager */
$objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
/** @var \Magento\Catalog\Api\ProductRepositoryInterface $productRepository */
$productRepository = $objectManager->create(\Magento\Catalog\Api\ProductRepositoryInterface::class);
/** @var $product \Magento\Catalog\Model\Product */
$product = $objectManager->create(\Magento\Catalog\Model\Product::class);
$product->setTypeId('bundle')
    ->setAttributeSetId(4)
    ->setWebsiteIds([1])
    ->setName('Bundle Product')
    ->setSku('bundle-product')
    ->setVisibility(\Magento\Catalog\Model\Product\Visibility::VISIBILITY_BOTH)
    ->setStatus(\Magento\Catalog\Model\Product\Attribute\Source\Status::STATUS_ENABLED)
    ->setStockData(['use_config_manage_stock' => 1, 'qty' => 100, 'is_qty_decimal' => 0, 'is_in_stock' => 1])
    ->setPriceView(0)
    ->setPriceType(0)
    ->setShipmentType(1)
    ->setWeightType(0)
    ->setDescription('description')
    ->setPrice(99);

$productRepository->save($product);