magento-test/app/code/Magento/Webapi/etc/webapi_soap/di.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
    <type name="Magento\Authorization\Model\CompositeUserContext">
        <arguments>
            <argument name="userContexts" xsi:type="array">
                <item name="oauthUserContext" xsi:type="array">
                    <item name="type" xsi:type="object">Magento\Webapi\Model\Authorization\OauthUserContext</item>
                    <item name="sortOrder" xsi:type="string">5</item>
                </item>
                <item name="tokenUserContext" xsi:type="array">
                    <item name="type" xsi:type="object">Magento\Webapi\Model\Authorization\TokenUserContext</item>
                    <item name="sortOrder" xsi:type="string">10</item>
                </item>
                <item name="soapUserContext" xsi:type="array">
                    <item name="type" xsi:type="object">Magento\Webapi\Model\Authorization\SoapUserContext</item>
                    <item name="sortOrder" xsi:type="string">15</item>
                </item>
                <item name="guestUserContext" xsi:type="array">
                    <item name="type" xsi:type="object">Magento\Webapi\Model\Authorization\GuestUserContext</item>
                    <item name="sortOrder" xsi:type="string">100</item>
                </item>
            </argument>
        </arguments>
    </type>
    <preference for="Magento\Framework\App\FrontControllerInterface" type="Magento\Webapi\Controller\Soap" />
    <preference for="Magento\Framework\Model\ActionValidator\RemoveAction" type="Magento\Framework\Model\ActionValidator\RemoveAction\Allowed" />
    <type name="Magento\Webapi\Controller\Rest\Router\Route" shared="false" />
    <type name="Magento\Webapi\Controller\Soap">
        <arguments>
            <argument name="soapServer" xsi:type="object">Magento\Webapi\Model\Soap\Server\Proxy</argument>
            <argument name="errorProcessor" xsi:type="object">Magento\Framework\Webapi\ErrorProcessor\Proxy</argument>
        </arguments>
    </type>
    <preference for="Magento\Framework\Authorization\RoleLocatorInterface" type="Magento\Webapi\Model\WebapiRoleLocator" />
    <type name="Magento\Framework\Authorization">
        <plugin name="guestAuthorization" type="Magento\Webapi\Model\Plugin\GuestAuthorization" />
    </type>

    <!-- Configuration to check that the permissions are checked on fields -->
    <virtualType name="Magento\Framework\Reflection\ExtensionAttributesProcessorPermissionChecked" type="Magento\Framework\Reflection\ExtensionAttributesProcessor">
        <arguments>
            <argument name="isPermissionChecked" xsi:type="boolean">true</argument>
            <argument name="dataObjectProcessor" xsi:type="object">Magento\Framework\Reflection\DataObjectProcessor\Proxy</argument>
        </arguments>
    </virtualType>
    <virtualType name="Magento\Framework\Reflection\DataObjectProcessorPermissionChecked" type="Magento\Framework\Reflection\DataObjectProcessor">
        <arguments>
            <argument name="extensionAttributesProcessor" xsi:type="object">Magento\Framework\Reflection\ExtensionAttributesProcessorPermissionChecked</argument>
            <argument name="customAttributesProcessor" xsi:type="object">Magento\Framework\Reflection\CustomAttributesProcessor\Proxy</argument>
        </arguments>
    </virtualType>

    <type name="Magento\Webapi\Controller\Soap\Request\Handler">
        <arguments>
            <argument name="dataObjectProcessor" xsi:type="object">Magento\Framework\Reflection\DataObjectProcessorPermissionChecked</argument>
        </arguments>
    </type>
    <!-- End of configuration to check that permissions are checked on fields -->
    <type name="Magento\Store\Model\Validation\StoreCodeValidator">
        <plugin name="check_if_parsed_store_code_is_valid" type="Magento\Webapi\Model\Plugin\Store\Model\Validation\StoreCodeValidator"/>
    </type>
</config>