magento-test/app/code/Magento/Sales/Test/Mftf/ActionGroup/AssertStorefrontOrderShipmentsQtyShippedActionGroup.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="AssertStorefrontOrderShipmentsQtyShippedActionGroup">
        <annotations>
            <description>Verify Customer Order Shipments Qty Shipped</description>
        </annotations>
        <arguments>
            <argument name="expectedQtyShipped" type="string" defaultValue="0"/>
        </arguments>
        <grabTextFrom selector="{{StorefrontSalesOrderShipmentSection.salesOrderQtyShipped}}" stepKey="grabSalesOrderQtyShipped"/>
        <assertEquals stepKey="assertOrderQtyShipped">
            <actualResult type="string">$grabSalesOrderQtyShipped</actualResult>
            <expectedResult type="string">{{expectedQtyShipped}}</expectedResult>
        </assertEquals>
    </actionGroup>
</actionGroups>