magento-test/app/code/Magento/User/Test/Mftf/Metadata/UserRoleMeta.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 /**
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
-->
<operations xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:noNamespaceSchemaLocation="urn:magento:mftf:DataGenerator/etc/dataOperation.xsd">
    <operation name="CreateUserRole" dataType="user_role" type="create"
               auth="adminFormKey" url="/admin/user_role/saverole/" method="POST" successRegex="/messages-message-success/" returnRegex="" >
        <contentType>application/x-www-form-urlencoded</contentType>
        <field key="rolename" required="true">string</field>
        <field key="current_password" required="true">string</field>
        <field key="all" required="true">integer</field>
        <array key="resource" required="false">
            <value>string</value>
        </array>
    </operation>
</operations>