magento-test/app/code/Magento/Paypal/Test/Mftf/ActionGroup/StorefrontSelectShippingMethodOnOrderReviewPageActionGroup.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="StorefrontSelectShippingMethodOnOrderReviewPageActionGroup">
        <annotations>
            <description>Select Shipping method on Order Review page</description>
        </annotations>
        <arguments>
            <argument name="shippingMethod" defaultValue="Fixed - $5.00" type="string"/>
        </arguments>
        <waitForElementVisible selector="{{StorefrontPayPalOrderReviewSection.shippingMethod}}" stepKey="waitForShippingMethodDropdown"/>
        <selectOption selector="{{StorefrontPayPalOrderReviewSection.shippingMethod}}" userInput="{{shippingMethod}}" stepKey="selectShippingMethod" />
        <waitForPageLoad stepKey="waitForLoadShippingMethod"/>
    </actionGroup>
</actionGroups>