magento-test/app/code/Magento/User/Test/Mftf/Metadata/UserMeta.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="CreateUser" dataType="user" type="create"
               auth="adminFormKey" url="/admin/user/save/" method="POST" successRegex="/messages-message-success/" returnRegex="" >
        <contentType>application/x-www-form-urlencoded</contentType>
        <field key="username">string</field>
        <field key="firstname">string</field>
        <field key="lastname">string</field>
        <field key="email">string</field>
        <field key="password">string</field>
        <field key="password_confirmation">string</field>
        <field key="interface_locale">string</field>
        <field key="is_active">boolean</field>
        <field key="current_password">string</field>
        <array key="roles">
            <value>string</value>
        </array>
    </operation>
    <operation name="DeleteUser" dataType="deleteUser" type="create" auth="adminFormKey" url="/admin/user/delete/" method="POST" successRegex="/messages-message-success/">
        <contentType>application/x-www-form-urlencoded</contentType>
        <field key="current_password">string</field>
        <field key="user_id">string</field>
    </operation>
</operations>