magento-test/app/code/Magento/ImportExport/etc/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">
    <preference for="Magento\ImportExport\Model\Import\ConfigInterface" type="Magento\ImportExport\Model\Import\Config" />
    <preference for="Magento\ImportExport\Model\Export\ConfigInterface" type="Magento\ImportExport\Model\Export\Config" />
    <preference for="Magento\ImportExport\Model\Import\ErrorProcessing\ProcessingErrorAggregatorInterface" type="Magento\ImportExport\Model\Import\ErrorProcessing\ProcessingErrorAggregator" />
    <preference for="Magento\ImportExport\Model\Report\ReportProcessorInterface" type="Magento\ImportExport\Model\Report\Csv" />
    <preference for="Magento\ImportExport\Api\Data\ExportInfoInterface" type="Magento\ImportExport\Model\Export\Entity\ExportInfo" />
    <preference for="Magento\ImportExport\Api\Data\LocalizedExportInfoInterface" type="Magento\ImportExport\Model\Export\Entity\ExportInfo" />
    <preference for="Magento\ImportExport\Api\ExportManagementInterface" type="Magento\ImportExport\Model\Export\ExportManagement" />
    <type name="Magento\Framework\Module\Setup\Migration">
        <arguments>
            <argument name="compositeModules" xsi:type="array">
                <item name="importexport" xsi:type="string">Magento_ImportExport</item>
            </argument>
        </arguments>
    </type>
    <type name="Magento\ImportExport\Model\Import\SampleFileProvider">
        <arguments>
            <argument name="samples" xsi:type="array">
                <item name="advanced_pricing" xsi:type="string">Magento_ImportExport</item>
                <item name="catalog_product" xsi:type="string">Magento_ImportExport</item>
                <item name="customer" xsi:type="string">Magento_ImportExport</item>
                <item name="customer_address" xsi:type="string">Magento_ImportExport</item>
                <item name="customer_composite" xsi:type="string">Magento_ImportExport</item>
                <item name="customer_finance" xsi:type="string">Magento_ImportExport</item>
            </argument>
        </arguments>
    </type>
    <type name="Magento\ImportExport\Model\LocalizedFileName">
        <arguments>
            <argument name="dateFormats" xsi:type="array">
                <item name="Ymd_His" xsi:type="string">Ymd_His</item>
            </argument>
        </arguments>
    </type>
</config>