AC-10982::[2FA] Integrate with Duo Web SDK to support Universal Prompt-tests fixes

Author: glo05363

TwoFactorAuth/Test/Unit/Model/Provider/Engine/DuoSecurityTest.php

@@ -41,6 +41,11 @@ class DuoSecurityTest extends TestCase
     /** @var MockObject|Client */
     private $clientMock;
 
+    /**
+     * @var DuoAuth|MockObject
+     */
+    private $duoAuthMock;
+
     /** @var DuoSecurity */
     private $model;