magento-test/app/code/Magento/Newsletter/Test/Mftf/Test/StorefrontNewsletterGuestSubscriptionWithDisallowedOptionTest.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->

<tests xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:noNamespaceSchemaLocation="urn:magento:mftf:Test/etc/testSchema.xsd">
    <test name="StorefrontNewsletterGuestSubscriptionWithDisallowedOptionTest">
        <annotations>
            <features value="Newsletter"/>
            <stories value="Disabled Guest Newsletter Subscription"/>
            <title value="Newsletter Subscription for guest is disabled and cannot be performed"/>
            <description value="Guest cannot subscribe to Newsletter if it is disallowed in configurations"/>
            <severity value="AVERAGE"/>
            <group value="newsletter"/>
            <group value="configuration"/>
            <testCaseId value="MC-35728"/>
            <group value="pr_exclude"/>
        </annotations>
        <before>
            <magentoCLI stepKey="disableGuestSubscription" command="config:set newsletter/subscription/allow_guest_subscribe 0"/>
            <magentoCLI command="cache:clean config" stepKey="cleanCache"/>
        </before>
        <after>
            <magentoCLI stepKey="allowGuestSubscription" command="config:set newsletter/subscription/allow_guest_subscribe 1"/>
            <magentoCLI command="cache:clean config" stepKey="cacheClean"/>
        </after>

        <actionGroup ref="StorefrontOpenHomePageActionGroup" stepKey="openStorefrontPage"/>
        <actionGroup ref="StorefrontCreateNewsletterSubscriberActionGroup" stepKey="createSubscription">
            <argument name="email" value="{{_defaultNewsletter.senderEmail}}"/>
        </actionGroup>
        <actionGroup ref="StorefrontAssertErrorMessageActionGroup" stepKey="assertMessage">
            <argument name="message" value="Sorry, but the administrator denied subscription for guests. Please register."/>
            <argument name="messageType" value="error"/>
        </actionGroup>
    </test>
</tests>