magento-test/app/code/Magento/Paypal/Test/Mftf/ActionGroup/StorefrontPaypalFillCardDataActionGroup.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="StorefrontPaypalFillCardDataActionGroup">
        <annotations>
            <description>Fills Card Data with Paypal using the provided Data Entity.</description>
        </annotations>
        <arguments>
            <argument name="cardData" defaultValue="PaymentAndShippingInfo"/>
        </arguments>

        <waitForElementVisible selector="{{StorefrontPaypalCheckoutSection.cardNumber}}" stepKey="waitForCardNumber"/>
        <fillField selector="{{StorefrontPaypalCheckoutSection.cardNumber}}" userInput="{{cardData.cardNumber}}" stepKey="setCartNumber"/>
        <fillField selector="{{StorefrontPaypalCheckoutSection.verificationNumber}}" userInput="{{cardData.cvv}}" stepKey="setVerificationNumber"/>
        <selectOption selector="{{StorefrontPaypalCheckoutSection.expirationMonth}}" userInput="{{cardData.month}}" stepKey="setMonth"/>
        <selectOption selector="{{StorefrontPaypalCheckoutSection.expirationYear}}" userInput="{{cardData.year}}" stepKey="setYear"/>
    </actionGroup>
</actionGroups>