MAGETWO-66882: Allowing Web API listing to be public - 2.2

 - added integration test

Author: Robert He

dev/tests/integration/testsuite/Magento/Webapi/Controller/SoapTest.php

@@ -0,0 +1,39 @@
+<?php
+/**
+ * Copyright © 2013-2017 Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Webapi\Controller;
+
+class SoapTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @var \Magento\Webapi\Controller\Soap
+     */
+    protected $soapController;
+
+    /**
+     * @var \Magento\Framework\ObjectManagerInterface
+     */
+    protected $objectManager;
+
+    protected function setUp()
+    {
+        $this->objectManager = \Magento\TestFramework\Helper\Bootstrap::getObjectManager();
+        $this->soapController = $this->objectManager->get(\Magento\Webapi\Controller\Soap::class);
+    }
+
+    /*
+     * Get the public wsdl with anonymous credentials
+     */
+    public function testDispatchWsdlRequest()
+    {
+        $request = $this->objectManager->get(\Magento\Framework\Webapi\Request::class);
+        $request->setParam(\Magento\Webapi\Model\Soap\Server::REQUEST_PARAM_LIST_WSDL, true);
+        $response = $this->soapController->dispatch($request);
+        $decoded_wsdl = json_decode($response->getContent(), true);
+        $this->assertArrayHasKey("customerAccountManagementV1", $decoded_wsdl );
+        $this->assertArrayHasKey("integrationAdminTokenServiceV1", $decoded_wsdl );
+    }
+}