magento-test/app/code/Magento/Paypal/Test/Mftf/Section/PayPalExpressCheckoutConfigSection/CheckoutPaymentSection.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="CheckoutPaymentSection">
        <element name="email" type="input" selector="#checkout-customer-email"/>
        <element name="payPalFrame" type="iframe" selector="//iframe[contains(@class, 'zoid-component-frame zoid-visible')]" timeout="5"/>
        <element name="smartButtonPayPalFrame" type="iframe" selector=".component-frame" timeout="10"/>
        <element name="PayPalPaymentRadio" type="radio" selector="input#paypal_express.radio" timeout="30"/>
        <element name="PayPalBtn" type="radio" selector=".paypal-button.paypal-button-number-0" timeout="30"/>
    </section>
</sections>