magento-test/app/code/Magento/Customer/Test/Mftf/ActionGroup/AdminCustomerShowDateOfBirthActionGroup.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="AdminCustomerShowDateOfBirthActionGroup">
        <annotations>
            <description>Goes to the customer configuration. Set "Show Date of Birth" with provided value.</description>
        </annotations>
        <arguments>
            <argument name="value" type="string" defaultValue="{{ShowDateOfBirth.optional}}"/>
        </arguments>
        <amOnPage url="{{AdminCustomerConfigPage.url('#customer_address-link')}}" stepKey="openCustomerConfigPage"/>
        <waitForPageLoad stepKey="waitCustomerConfigPage"/>
        <scrollTo selector="{{AdminCustomerConfigSection.showDateOfBirth}}" x="0" y="-100" stepKey="scrollToShowDateOfBirth"/>
        <uncheckOption selector="{{AdminCustomerConfigSection.showDateOfBirthInherit}}" stepKey="uncheckUseSystem"/>
        <selectOption selector="{{AdminCustomerConfigSection.showDateOfBirth}}" userInput="{{value}}" stepKey="fillShowDateOfBirth"/>
        <click selector="{{AdminMainActionsSection.save}}" stepKey="clickSave"/>
        <seeElement selector="{{AdminMessagesSection.success}}" stepKey="seeSuccessMessage"/>
    </actionGroup>
</actionGroups>