magento-test/app/code/Magento/Paypal/Test/Mftf/ActionGroup/StorefrontPaypalSwitchBackToMagentoActionGroup.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="StorefrontPaypalSwitchBackToMagentoActionGroup">
        <annotations>
            <description>Click continue button on Paypal site and go back to Magento site</description>
        </annotations>

        <!--Click Continue button on PayPal site-->
        <scrollTo selector="{{PayPalPaymentSection.continueButton}}" stepKey="scrollToContinueBtn"/>
        <click selector="{{PayPalPaymentSection.continueButton}}" stepKey="clickContinue"/>
        <!--Go back to Magento site-->
        <switchToPreviousTab stepKey="switchToPreviousTab"/>
        <waitForPageLoad stepKey="waitForPageLoad"/>
    </actionGroup>
</actionGroups>