I've create a xml named cms_page_view_selectable_eco_test.xml at app/design/VendorName/themeName/Magento_Cms/layout/, so the full path is /app/design/VendorName/themeName/Magento_Cms/layout/cms_page_view_selectable_eco_test.xml
This is not showing in the CMS page (the URL of this page is "eco") editing backend, see picture
. Does anyone know what is the problem?
the source code of this layout is the following
<?xml version="1.0"?>
<!--
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
-->
<page layout="1column" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:View/Layout/etc/page_configuration.xsd">
<body>
<referenceBlock name="breadcrumbs" remove="true" />
</body>
</page>