magento-test/app/code/Magento/Customer/Test/Mftf/ActionGroup/AdminEditCustomerInformationFromActionGroup.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">
    <!-- Edit Customer Account Information Required Fields in Admin -->
    <actionGroup name="AdminEditCustomerAccountInformationActionGroup">
        <annotations>
            <description>Fills in the Customer First Name, Last Name and Email. Clicks on Save and Continue.</description>
        </annotations>
        <arguments>
            <argument name="firstName" type="string"/>
            <argument name="lastName" type="string"/>
            <argument name="email" type="string"/>
        </arguments>

        <click selector="{{AdminCustomerAccountInformationSection.accountInformationTab}}" stepKey="goToAccountInformation"/>
        <clearField stepKey="clearFirstName" selector="{{AdminCustomerAccountInformationSection.firstName}}"/>
        <fillField  stepKey="fillFirstName" userInput="{{firstName}}" selector="{{AdminCustomerAccountInformationSection.firstName}}"/>
        <clearField stepKey="clearLastName" selector="{{AdminCustomerAccountInformationSection.lastName}}"/>
        <fillField  stepKey="fillLastName" userInput="{{lastName}}" selector="{{AdminCustomerAccountInformationSection.lastName}}"/>
        <clearField stepKey="clearEmail" selector="{{AdminCustomerAccountInformationSection.email}}"/>
        <fillField  stepKey="fillEmail" userInput="{{email}}" selector="{{AdminCustomerAccountInformationSection.email}}"/>
        <click selector="{{AdminCustomerMainActionsSection.saveAndContinue}}" stepKey="saveAndContinue"/>
        <waitForPageLoad stepKey="wait"/>
        <scrollToTopOfPage stepKey="scrollToTop"/>
    </actionGroup>
</actionGroups>