magento-test/app/code/Magento/Shipping/Test/Mftf/ActionGroup/AdminAddTrackingNumberToShipmentActionGroup.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="AdminAddTrackingNumberToShipmentActionGroup">
        <arguments>
            <argument name="trackingTitle" type="string" defaultValue=""/>
            <argument name="trackingNumber" type="string"/>
        </arguments>

        <fillField selector="{{AdminShipmentTrackingSection.trackingTitle}}" userInput="{{trackingTitle}}" stepKey="fillTrackingTitle"/>
        <fillField selector="{{AdminShipmentTrackingSection.trackingNumber}}" userInput="{{trackingNumber}}" stepKey="fillTrackingNumber"/>
        <click selector="{{AdminShipmentTrackingSection.addTrackingNumber}}" stepKey="clickAddTrackingNumber"/>
        <waitForPageLoad stepKey="waitForTrackingInformation"/>
    </actionGroup>
</actionGroups>