magento-test/app/code/Magento/Customer/Test/Mftf/ActionGroup/StorefrontAssertRegistrationPageFieldsActionGroup.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="StorefrontAssertRegistrationPageFields">
        <seeInCurrentUrl url="{{StorefrontCustomerCreatePage.url}}" stepKey="seeCreateNewCustomerAccountPage"/>
        <seeElement selector="{{StorefrontCustomerCreateFormSection.firstnameField}}" stepKey="seeFirstNameField"/>
        <seeElement selector="{{StorefrontCustomerCreateFormSection.lastnameField}}" stepKey="seeFLastNameField"/>
        <seeElement selector="{{StorefrontCustomerCreateFormSection.emailField}}" stepKey="seeEmailField"/>
        <seeElement selector="{{StorefrontCustomerCreateFormSection.passwordField}}" stepKey="seePasswordField"/>
        <seeElement selector="{{StorefrontCustomerCreateFormSection.confirmPasswordField}}" stepKey="seeConfirmPasswordField"/>
    </actionGroup>
</actionGroups>