magento-test/app/code/Magento/MediaGalleryUi/Test/Mftf/ActionGroup/AdminEnhancedMediaGallerySelectCustomBookmarksViewActionGroup.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->

<actionGroups xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/actionGroupSchema.xsd">
    <actionGroup name="AdminEnhancedMediaGallerySelectCustomBookmarksViewActionGroup">
        <annotations>
            <description>Apply custom bookmarks view to the media gallery grid</description>
        </annotations>
        <arguments>
            <argument name="selectView" type="string" defaultValue="{{DefaultGridView.name}}"/>
        </arguments>

        <click selector="{{AdminDataGridHeaderSection.bookmarkToggle}}" stepKey="openViewBookmarks"/>
        <click selector="{{AdminGridDefaultViewControls.viewByName(selectView)}}" stepKey="clickOnViewButton"/>
        <waitForPageLoad stepKey="waitForGridLoad" time="10"/>
    </actionGroup>
</actionGroups>