SecretCredentialDataTest.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="../../../../../src/Magento/FunctionalTestingFramework/Test/etc/testSchema.xsd">
    <test name="secretCredentialDataTest">
        <createData entity="_defaultProduct" stepKey="createProductWithFieldOverridesUsingHardcodedData1">
            <field key="qty">123</field>
            <field key="price">12.34</field>
        </createData>
        <createData entity="_defaultProduct" stepKey="createProductWithFieldOverridesUsingSecretCredData1">
            <field key="qty">{{_CREDS.payment_method_trans_key}}</field>
            <field key="price">{{_CREDS.carriers_dhl_account_eu}}</field>
        </createData>

        <fillField selector="{{AdminLoginFormSection.username}}" userInput="Hardcoded" stepKey="fillFieldUsingHardCodedData1"/>
        <fillField selector="{{AdminLoginFormSection.username}}" userInput="{{_CREDS.carriers_dhl_id_eu}}" stepKey="fillFieldUsingSecretCredData1"/>

        <magentoCLI command="config:set cms/wysiwyg/enabled 0" stepKey="magentoCliUsingHardcodedData1"/>
        <magentoCLI command="config:set cms/wysiwyg/enabled {{_CREDS.payment_method_login}}" stepKey="magentoCliUsingSecretCredData1"/>
    </test>
</tests>