magento-test/app/code/Magento/Ui/Test/Mftf/Section/AdminGridControlsSection/AdminGridActionsMenuSection.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->
<sections xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:noNamespaceSchemaLocation="urn:magento:mftf:Page/etc/SectionObject.xsd">
    <section name="AdminGridActionsMenu">
        <element name="dropDown" type="select" selector=".admin__data-grid-header[data-bind='afterRender: \$data.setToolbarNode'] .action-select" timeout="30"/>
        <element name="delete" type="select" selector=".admin__data-grid-header[data-bind='afterRender: \$data.setToolbarNode'] .action-menu-items li" timeout="5"/>
    </section>
</sections>