magento-test/app/code/Magento/Bundle/etc/adminhtml/di.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Magento\Catalog\Controller\Adminhtml\Product\Initialization\Helper">
        <plugin name="Bundle" type="Magento\Bundle\Controller\Adminhtml\Product\Initialization\Helper\Plugin\Bundle" sortOrder="60" />
    </type>
    <type name="Magento\Sales\Block\Adminhtml\Order\Create\Sidebar\AbstractSidebar">
        <plugin name="Bundle" type="Magento\Bundle\Block\Adminhtml\Order\Create\Sidebar" sortOrder="200"/>
    </type>
    <type name="Magento\Bundle\Model\ResourceModel\Selection\Collection">
        <plugin name="Bundle" type="Magento\Bundle\Model\ResourceModel\Selection\Plugin\Collection" sortOrder="60" />
    </type>
    <type name="Magento\Catalog\Model\Product\CopyConstructor\Composite">
        <arguments>
            <argument name="constructors" xsi:type="array">
                <item name="bundle" xsi:type="string">Magento\Bundle\Model\Product\CopyConstructor\Bundle</item>
            </argument>
        </arguments>
    </type>
    <virtualType name="Magento\Catalog\Ui\DataProvider\Product\Form\Modifier\Pool">
        <arguments>
            <argument name="modifiers" xsi:type="array">
                <item name="bundle" xsi:type="array">
                    <item name="class" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\Composite</item>
                    <item name="sortOrder" xsi:type="number">180</item>
                </item>
                <item name="bundle_stock_data" xsi:type="array">
                    <item name="class" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\StockData</item>
                    <item name="sortOrder" xsi:type="number">190</item>
                </item>
            </argument>
        </arguments>
    </virtualType>
    <type name="Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\Composite">
        <arguments>
            <argument name="modifiers" xsi:type="array">
                <item name="bundleSku" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\BundleSku</item>
                <item name="bundlePrice" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\BundlePrice</item>
                <item name="bundleWeight" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\BundleWeight</item>
                <item name="bundleQuantity" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\BundleQuantity</item>
                <item name="bundleAdvancedPricing" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\BundleAdvancedPricing</item>
                <item name="bundlePanel" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\BundlePanel</item>
                <item name="bundleCustomOptions" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Form\Modifier\BundleCustomOptions</item>
            </argument>
        </arguments>
    </type>
    <virtualType name="Magento\Catalog\Ui\DataProvider\Product\Listing\Modifier\Pool">
        <arguments>
            <argument name="modifiers" xsi:type="array">
                <item name="specialPriceAttributes" xsi:type="array">
                    <item name="class" xsi:type="string">Magento\Bundle\Ui\DataProvider\Product\Modifier\SpecialPriceAttributes</item>
                    <item name="sortOrder" xsi:type="number">20</item>
                </item>
            </argument>
        </arguments>
    </virtualType>
    <type name="Magento\Bundle\Ui\DataProvider\Product\Modifier\SpecialPriceAttributes">
        <arguments>
            <argument name="priceAttributeList" xsi:type="array">
                <item name="special_price" xsi:type="string">special_price</item>
            </argument>
        </arguments>
    </type>
    <type name="Magento\Framework\Data\Form\Element\Fieldset">
        <plugin name="Bundle" type="Magento\Bundle\Plugin\Framework\Data\Form\Element\FieldsetPlugin"/>
    </type>
</config>