magento-test/app/code/Magento/Customer/Test/Mftf/ActionGroup/AdminAssertCustomerIsSubscribedToNewslettersUncheckedActionGroup.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="AdminAssertCustomerIsSubscribedToNewslettersUncheckedActionGroup">
        <annotations>
            <description>Verify that check box "Newsletter subscribed" is unchecked on "Newsletter" tab on customer edit page.</description>
        </annotations>
        <click selector="{{AdminEditCustomerNewsletterSection.subscribeToNewsletterAgain}}" stepKey="subscribeToNewsletterAgain"/>
        <waitForPageLoad stepKey="waitForPageLoad"/>
        <seeElement selector="{{AdminEditCustomerNewsletterSection.checkboxIsVisibility}}" stepKey="checkboxIsVisibility"/>

    </actionGroup>
</actionGroups>