AdminSourceSelectionControlsSection.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="AdminSourceSelectionControlsSection">
        <element name="backButton" type="button" selector="#back"/>
        <element name="proceedToShipmentButton" type="button" selector="#save"/>
        <element name="sourceSelectionAlgorithmButton" type="button" selector="#source_selection_algorithms-button"/>
        <element name="sourceSelectionAlgorithmDropdown" type="button" selector="button.action-toggle[data-ui-id='source-selection-algorithms-button-dropdown']"/>
    </section>
</sections>