magento-test/app/code/Magento/Customer/Test/Mftf/Metadata/CustomerConfigAccountSharingMeta.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="CustomerAccountShareConfig" dataType="customer_account_sharing_config" type="create" auth="adminFormKey" url="/admin/system_config/save/section/customer/"
               successRegex="/messages-message-success/" returnRegex="" method="POST">
        <object key="groups" dataType="customer_account_sharing_config">
            <object key="account_share" dataType="customer_account_sharing_config">
                <object key="fields" dataType="customer_account_sharing_config">
                    <object key="scope" dataType="account_share_scope_value">
                        <field key="value">string</field>
                    </object>
                </object>
            </object>
        </object>
    </operation>
    <operation name="CustomerAccountShareConfigInherit" dataType="customer_account_sharing_config_inherit" type="create" auth="adminFormKey" url="/admin/system_config/save/section/customer/"
               method="POST">
        <object key="groups" dataType="customer_account_sharing_config_inherit">
            <object key="account_share" dataType="customer_account_sharing_config_inherit">
                <object key="fields" dataType="customer_account_sharing_config_inherit">
                    <object key="scope" dataType="account_share_scope_inherit">
                        <field key="inherit">boolean</field>
                    </object>
                </object>
            </object>
        </object>
    </operation>
</operations>