diff --git a/src/Application/Controller/Admin/d3user_webauthn.php b/src/Application/Controller/Admin/d3user_webauthn.php
index 65a0e50..df35cd0 100755
--- a/src/Application/Controller/Admin/d3user_webauthn.php
+++ b/src/Application/Controller/Admin/d3user_webauthn.php
@@ -48,7 +48,7 @@ class d3user_webauthn extends AdminDetailsController
     {
         $this->addTplParam('readonly', !$this->d3GetMockableOxNewObject(Webauthn::class)->isAvailable());
 
-        $this->d3CallMockableParent('render');
+        $this->d3CallMockableFunction([AdminDetailsController::class, 'render']);
 
         $soxId = $this->getEditObjectId();
 
diff --git a/src/Application/Controller/Admin/d3webauthnadminlogin.php b/src/Application/Controller/Admin/d3webauthnadminlogin.php
index 54eebac..466fcec 100755
--- a/src/Application/Controller/Admin/d3webauthnadminlogin.php
+++ b/src/Application/Controller/Admin/d3webauthnadminlogin.php
@@ -81,7 +81,7 @@ class d3webauthnadminlogin extends AdminController
         $afterLogin = $this->d3GetMockableOxNewObject(WebauthnAfterLogin::class);
         $afterLogin->changeLanguage();
 
-        return $this->d3CallMockableParent('render');
+        return $this->d3CallMockableFunction([AdminController::class, 'render']);
     }
 
     /**
diff --git a/src/Application/Controller/Traits/checkoutGetUserTrait.php b/src/Application/Controller/Traits/checkoutGetUserTrait.php
index bb6aa52..9298dc7 100755
--- a/src/Application/Controller/Traits/checkoutGetUserTrait.php
+++ b/src/Application/Controller/Traits/checkoutGetUserTrait.php
@@ -38,9 +38,10 @@ trait checkoutGetUserTrait
      */
     public function getUser()
     {
-        $user = $this->d3CallMockableParent('getUser');
+        /** @var User|null $user */
+        $user = $this->d3CallMockableFunction([$this->parentClass, 'getUser']);
 
-        if ($user && $user->getId()) {
+        if ($user && $user->isLoaded() && $user->getId()) {
             $webauthn = $this->d3GetMockableOxNewObject(Webauthn::class);
 
             if ($webauthn->isActive($user->getId())
diff --git a/src/Application/Controller/d3webauthnlogin.php b/src/Application/Controller/d3webauthnlogin.php
index 71a9248..23f7d2c 100755
--- a/src/Application/Controller/d3webauthnlogin.php
+++ b/src/Application/Controller/d3webauthnlogin.php
@@ -45,7 +45,7 @@ class d3webauthnlogin extends FrontendController
         );
 
         return array_merge(
-            $this->d3CallMockableParent('getNavigationParams'),
+            $this->d3CallMockableFunction([FrontendController::class, 'getNavigationParams']),
             $navparams,
             ['cl' => $navparams['actcontrol']]
         );
@@ -73,7 +73,7 @@ class d3webauthnlogin extends FrontendController
         $this->addTplParam('navFormParams', $this->d3GetMockableRegistryObject(Session::class)
                                                  ->getVariable(WebauthnConf::WEBAUTHN_SESSION_NAVFORMPARAMS));
 
-        return $this->d3CallMockableParent('render');
+        return $this->d3CallMockableFunction([FrontendController::class, 'render']);
     }
 
     /**
diff --git a/src/Application/Model/Credential/PublicKeyCredentialList.php b/src/Application/Model/Credential/PublicKeyCredentialList.php
index e400983..5b92b5e 100755
--- a/src/Application/Model/Credential/PublicKeyCredentialList.php
+++ b/src/Application/Model/Credential/PublicKeyCredentialList.php
@@ -38,7 +38,7 @@ class PublicKeyCredentialList extends ListModel implements PublicKeyCredentialSo
 
     public function __construct()
     {
-        $this->d3CallMockableParent('__construct', [PublicKeyCredential::class]);
+        $this->d3CallMockableFunction([ListModel::class, '__construct'], [PublicKeyCredential::class]);
     }
 
     /**
diff --git a/src/Application/Model/Exceptions/WebauthnException.php b/src/Application/Model/Exceptions/WebauthnException.php
index 5826b6b..236d1e7 100644
--- a/src/Application/Model/Exceptions/WebauthnException.php
+++ b/src/Application/Model/Exceptions/WebauthnException.php
@@ -30,8 +30,11 @@ class WebauthnException extends StandardException
     {
         $this->setDetailedErrorMessage($sMessage);
 
-        $this->d3CallMockableParent(
-            '__construct',
+        $this->d3CallMockableFunction(
+            [
+                StandardException::class,
+                '__construct'
+            ],
             [
                 $this->getErrorMessageTranslator()->translateError($sMessage, $this->getRequestType()),
                 $iCode,
diff --git a/src/Application/Model/RelyingPartyEntity.php b/src/Application/Model/RelyingPartyEntity.php
index 763711c..167e416 100755
--- a/src/Application/Model/RelyingPartyEntity.php
+++ b/src/Application/Model/RelyingPartyEntity.php
@@ -26,8 +26,11 @@ class RelyingPartyEntity extends PublicKeyCredentialRpEntity
 
     public function __construct()
     {
-        $this->d3CallMockableParent(
-            '__construct',
+        $this->d3CallMockableFunction(
+            [
+                PublicKeyCredentialRpEntity::class,
+                '__construct'
+            ],
             [
                 $this->getActiveShop()->getFieldData('oxname'),
                 $this->getRPShopUrl()
diff --git a/src/Application/Model/UserEntity.php b/src/Application/Model/UserEntity.php
index 2702f40..517bead 100755
--- a/src/Application/Model/UserEntity.php
+++ b/src/Application/Model/UserEntity.php
@@ -36,8 +36,11 @@ class UserEntity extends PublicKeyCredentialUserEntity
             throw $e;
         }
 
-        $this->d3CallMockableParent(
-            '__construct',
+        $this->d3CallMockableFunction(
+            [
+                PublicKeyCredentialUserEntity::class,
+                '__construct'
+            ],
             [
                 strtolower($user->getFieldData('oxusername')),
                 $user->getId(),
diff --git a/src/Modules/Application/Controller/Admin/d3_LoginController_Webauthn.php b/src/Modules/Application/Controller/Admin/d3_LoginController_Webauthn.php
index 2d9191e..fbfe111 100755
--- a/src/Modules/Application/Controller/Admin/d3_LoginController_Webauthn.php
+++ b/src/Modules/Application/Controller/Admin/d3_LoginController_Webauthn.php
@@ -78,7 +78,7 @@ class d3_LoginController_Webauthn extends d3_LoginController_Webauthn_parent
             }
         }
 
-        return $this->d3CallMockableParent('checklogin');
+        return $this->d3CallMockableFunction([d3_LoginController_Webauthn_parent::class, 'checklogin']);
     }
 
     /**
diff --git a/src/Modules/Application/Controller/d3_webauthn_OrderController.php b/src/Modules/Application/Controller/d3_webauthn_OrderController.php
index 0d95f08..342435f 100755
--- a/src/Modules/Application/Controller/d3_webauthn_OrderController.php
+++ b/src/Modules/Application/Controller/d3_webauthn_OrderController.php
@@ -20,4 +20,6 @@ use D3\Webauthn\Application\Controller\Traits\checkoutGetUserTrait;
 class d3_webauthn_OrderController extends d3_webauthn_OrderController_parent
 {
     use checkoutGetUserTrait;
+
+    private $parentClass = d3_webauthn_OrderController_parent::class;
 }
\ No newline at end of file
diff --git a/src/Modules/Application/Controller/d3_webauthn_PaymentController.php b/src/Modules/Application/Controller/d3_webauthn_PaymentController.php
index 7bf1e15..93c7ff7 100755
--- a/src/Modules/Application/Controller/d3_webauthn_PaymentController.php
+++ b/src/Modules/Application/Controller/d3_webauthn_PaymentController.php
@@ -20,4 +20,6 @@ use D3\Webauthn\Application\Controller\Traits\checkoutGetUserTrait;
 class d3_webauthn_PaymentController extends d3_webauthn_PaymentController_parent
 {
     use checkoutGetUserTrait;
+
+    private $parentClass = d3_webauthn_PaymentController_parent::class;
 }
\ No newline at end of file
diff --git a/src/Modules/Application/Controller/d3_webauthn_UserController.php b/src/Modules/Application/Controller/d3_webauthn_UserController.php
index 4448b1f..f01a970 100755
--- a/src/Modules/Application/Controller/d3_webauthn_UserController.php
+++ b/src/Modules/Application/Controller/d3_webauthn_UserController.php
@@ -20,4 +20,6 @@ use D3\Webauthn\Application\Controller\Traits\checkoutGetUserTrait;
 class d3_webauthn_UserController extends d3_webauthn_UserController_parent
 {
     use checkoutGetUserTrait;
+
+    private $parentClass = d3_webauthn_UserController_parent::class;
 }
\ No newline at end of file
diff --git a/src/Modules/Application/Model/d3_User_Webauthn.php b/src/Modules/Application/Model/d3_User_Webauthn.php
index 053c409..279bde4 100755
--- a/src/Modules/Application/Model/d3_User_Webauthn.php
+++ b/src/Modules/Application/Model/d3_User_Webauthn.php
@@ -36,7 +36,7 @@ class d3_User_Webauthn extends d3_User_Webauthn_parent
 
     public function logout()
     {
-        $return = $this->d3CallMockableParent('logout');
+        $return = $this->d3CallMockableFunction([d3_User_Webauthn_parent::class, 'logout']);
 
         $session = $this->d3GetMockableRegistryObject(Session::class);
         $session->deleteVariable(WebauthnConf::WEBAUTHN_SESSION_AUTH);
diff --git a/src/tests/unit/Application/Controller/Admin/d3user_webauthnTest.php b/src/tests/unit/Application/Controller/Admin/d3user_webauthnTest.php
index 5da6a8b..d0b950b 100644
--- a/src/tests/unit/Application/Controller/Admin/d3user_webauthnTest.php
+++ b/src/tests/unit/Application/Controller/Admin/d3user_webauthnTest.php
@@ -68,12 +68,12 @@ class d3user_webauthnTest extends TestCase
         /** @var d3user_webauthn|MockObject $sutMock */
         $sutMock = $this->getMockBuilder(d3user_webauthn::class)
             ->onlyMethods([
-                'd3CallMockableParent',
+                'd3CallMockableFunction',
                 'getEditObjectId',
                 'd3GetMockableOxNewObject'
             ])
             ->getMock();
-        $sutMock->method('d3CallMockableParent')->willReturn(true);
+        $sutMock->method('d3CallMockableFunction')->willReturn(true);
         $sutMock->method('getEditObjectId')->willReturn('editObjectId');
         $sutMock->method('d3GetMockableOxNewObject')->willReturnCallback(
             function () use ($userMock, $webauthnMock) {
diff --git a/src/tests/unit/Application/Controller/Admin/d3webauthnadminloginTest.php b/src/tests/unit/Application/Controller/Admin/d3webauthnadminloginTest.php
index aae9249..ba5e592 100644
--- a/src/tests/unit/Application/Controller/Admin/d3webauthnadminloginTest.php
+++ b/src/tests/unit/Application/Controller/Admin/d3webauthnadminloginTest.php
@@ -96,7 +96,7 @@ class d3webauthnadminloginTest extends d3webauthnloginTest
 
         /** @var d3webauthnlogin|MockObject $sut */
         $sut = $this->getMockBuilder($this->sutClassName)
-            ->onlyMethods(['d3GetMockableRegistryObject', 'd3CallMockableParent', 'd3GetMockableOxNewObject',
+            ->onlyMethods(['d3GetMockableRegistryObject', 'd3CallMockableFunction', 'd3GetMockableOxNewObject',
                 'generateCredentialRequest', 'addTplParam'])
             ->getMock();
         $sut->method('d3GetMockableRegistryObject')->willReturnCallback(
@@ -112,7 +112,7 @@ class d3webauthnadminloginTest extends d3webauthnloginTest
                 }
             }
         );
-        $sut->method('d3CallMockableParent')->willReturn('myTemplate.tpl');
+        $sut->method('d3CallMockableFunction')->willReturn('myTemplate.tpl');
         // "any" because redirect doesn't stop execution
         $sut->expects($startRedirect ? $this->any() : $this->atLeastOnce())
             ->method('generateCredentialRequest');
diff --git a/src/tests/unit/Application/Controller/d3webauthnloginTest.php b/src/tests/unit/Application/Controller/d3webauthnloginTest.php
index 5d85b00..69f871d 100644
--- a/src/tests/unit/Application/Controller/d3webauthnloginTest.php
+++ b/src/tests/unit/Application/Controller/d3webauthnloginTest.php
@@ -52,7 +52,7 @@ class d3webauthnloginTest extends UnitTestCase
 
         /** @var d3webauthnlogin|MockObject $sut */
         $sut = $this->getMockBuilder($this->sutClassName)
-            ->onlyMethods(['d3GetMockableRegistryObject', 'd3CallMockableParent'])
+            ->onlyMethods(['d3GetMockableRegistryObject', 'd3CallMockableFunction'])
             ->getMock();
         $sut->method('d3GetMockableRegistryObject')->willReturnCallback(
             function () use ($sessionMock) {
@@ -65,7 +65,7 @@ class d3webauthnloginTest extends UnitTestCase
                 }
             }
         );
-        $sut->method('d3CallMockableParent')->willReturn(['defKey1' => 'devValues1']);
+        $sut->method('d3CallMockableFunction')->willReturn(['defKey1' => 'devValues1']);
 
         $this->assertSame(
             [
@@ -111,7 +111,7 @@ class d3webauthnloginTest extends UnitTestCase
 
         /** @var d3webauthnlogin|MockObject $sut */
         $sut = $this->getMockBuilder($this->sutClassName)
-            ->onlyMethods(['d3GetMockableRegistryObject', 'd3CallMockableParent',
+            ->onlyMethods(['d3GetMockableRegistryObject', 'd3CallMockableFunction',
                 'generateCredentialRequest', 'addTplParam'])
             ->getMock();
         $sut->method('d3GetMockableRegistryObject')->willReturnCallback(
@@ -127,7 +127,7 @@ class d3webauthnloginTest extends UnitTestCase
                 }
             }
         );
-        $sut->method('d3CallMockableParent')->willReturn('myTemplate.tpl');
+        $sut->method('d3CallMockableFunction')->willReturn('myTemplate.tpl');
         $sut->expects($startRedirect ? $this->any() : $this->atLeastOnce())
             ->method('generateCredentialRequest');
         $sut->expects($startRedirect ? $this->any() : $this->atLeastOnce())
diff --git a/src/tests/unit/Application/Model/Credential/PublicKeyCredentialListTest.php b/src/tests/unit/Application/Model/Credential/PublicKeyCredentialListTest.php
index fe7244c..5755e93 100644
--- a/src/tests/unit/Application/Model/Credential/PublicKeyCredentialListTest.php
+++ b/src/tests/unit/Application/Model/Credential/PublicKeyCredentialListTest.php
@@ -42,9 +42,9 @@ class PublicKeyCredentialListTest extends UnitTestCase
         /** @var PublicKeyCredentialList|MockObject $sut */
         $sut = $this->getMockBuilder(PublicKeyCredentialList::class)
             ->disableOriginalConstructor()
-            ->onlyMethods(['d3CallMockableParent'])
+            ->onlyMethods(['d3CallMockableFunction'])
             ->getMock();
-        $sut->expects($this->once())->method('d3CallMockableParent')->with(
+        $sut->expects($this->once())->method('d3CallMockableFunction')->with(
             $this->anything(),
             $this->containsIdentical(PublicKeyCredential::class)
         );
diff --git a/src/tests/unit/Application/Model/Exceptions/WebauthnExceptionTest.php b/src/tests/unit/Application/Model/Exceptions/WebauthnExceptionTest.php
index fd34a1f..fbecfba 100644
--- a/src/tests/unit/Application/Model/Exceptions/WebauthnExceptionTest.php
+++ b/src/tests/unit/Application/Model/Exceptions/WebauthnExceptionTest.php
@@ -47,13 +47,13 @@ class WebauthnExceptionTest extends UnitTestCase
         /** @var WebauthnException|MockObject $sut */
         $sut = $this->getMockBuilder(WebauthnException::class)
             ->onlyMethods(['setDetailedErrorMessage', 'getErrorMessageTranslator', 'getRequestType',
-                'd3CallMockableParent'])
+                'd3CallMockableFunction'])
             ->disableOriginalConstructor()
             ->getMock();
         $sut->expects($this->once())->method('setDetailedErrorMessage');
         $sut->method('getErrorMessageTranslator')->willReturn($translatorMock);
         $sut->method('getRequestType')->willReturn('requestType');
-        $sut->expects($this->once())->method('d3CallMockableParent')->with(
+        $sut->expects($this->once())->method('d3CallMockableFunction')->with(
             $this->anything(),
             $this->identicalTo(['translatedError', 255, $previousMock])
         );
diff --git a/src/tests/unit/Application/Model/RelyingPartyEntityTest.php b/src/tests/unit/Application/Model/RelyingPartyEntityTest.php
index 29e768d..f298e80 100644
--- a/src/tests/unit/Application/Model/RelyingPartyEntityTest.php
+++ b/src/tests/unit/Application/Model/RelyingPartyEntityTest.php
@@ -45,9 +45,9 @@ class RelyingPartyEntityTest extends TestCase
         /** @var RelyingPartyEntity|MockObject $sut */
         $sut = $this->getMockBuilder(RelyingPartyEntity::class)
             ->disableOriginalConstructor()
-            ->onlyMethods(['d3CallMockableParent', 'getActiveShop', 'getRPShopUrl'])
+            ->onlyMethods(['d3CallMockableFunction', 'getActiveShop', 'getRPShopUrl'])
             ->getMock();
-        $sut->expects($this->once())->method('d3CallMockableParent')->with(
+        $sut->expects($this->once())->method('d3CallMockableFunction')->with(
             $this->anything(),
             $this->identicalTo(['myShopName', 'myShopUrl'])
         );
@@ -156,9 +156,9 @@ class RelyingPartyEntityTest extends TestCase
 
         /** @var RelyingPartyEntity|MockObject $sut */
         $sut = $this->getMockBuilder(RelyingPartyEntity::class)
-            ->onlyMethods(['d3CallMockableParent']) // must mock, because can't disable constructor
+            ->onlyMethods(['d3CallMockableFunction']) // must mock, because can't disable constructor
             ->getMock();
-        $sut->method('d3CallMockableParent')->willReturn(true);
+        $sut->method('d3CallMockableFunction')->willReturn(true);
 
         $this->assertSame(
             $expected,
diff --git a/src/tests/unit/Application/Model/UserEntityTest.php b/src/tests/unit/Application/Model/UserEntityTest.php
index af3cf1e..ea26c8c 100644
--- a/src/tests/unit/Application/Model/UserEntityTest.php
+++ b/src/tests/unit/Application/Model/UserEntityTest.php
@@ -52,9 +52,9 @@ class UserEntityTest extends UnitTestCase
         /** @var UserEntity|MockObject $sut */
         $sut = $this->getMockBuilder(UserEntity::class)
             ->disableOriginalConstructor()
-            ->onlyMethods(['d3CallMockableParent'])
+            ->onlyMethods(['d3CallMockableFunction'])
             ->getMock();
-        $sut->expects($runParent ? $this->once() : $this->never())->method('d3CallMockableParent')->with(
+        $sut->expects($runParent ? $this->once() : $this->never())->method('d3CallMockableFunction')->with(
             $this->anything(),
             $this->identicalTo([
                 'usernamefixture',
diff --git a/src/tests/unit/Modules/Application/Controller/Admin/LoginControllerWebauthnTest.php b/src/tests/unit/Modules/Application/Controller/Admin/LoginControllerWebauthnTest.php
index 7ab0f81..edf360c 100644
--- a/src/tests/unit/Modules/Application/Controller/Admin/LoginControllerWebauthnTest.php
+++ b/src/tests/unit/Modules/Application/Controller/Admin/LoginControllerWebauthnTest.php
@@ -247,12 +247,12 @@ class LoginControllerWebauthnTest extends UnitTestCase
 
         /** @var LoginController|MockObject $sut */
         $sut = $this->getMockBuilder(LoginController::class)
-            ->onlyMethods(['d3CanUseWebauthn', 'd3CallMockableParent', 'hasWebauthnButNotLoggedin',
+            ->onlyMethods(['d3CanUseWebauthn', 'd3CallMockableFunction', 'hasWebauthnButNotLoggedin',
                 'd3GetMockableOxNewObject', 'd3GetMockableRegistryObject'
             ])
             ->getMock();
         $sut->method('d3CanUseWebauthn')->willReturn($canUseWebauthn);
-        $sut->method('d3CallMockableParent')->willReturn('parentReturn');
+        $sut->method('d3CallMockableFunction')->willReturn('parentReturn');
         $sut->method('hasWebauthnButNotLoggedin')->willReturn($loggedin);
         $sut->method('d3GetMockableOxNewObject')->willReturnCallback(
             function () use ($userMock) {
diff --git a/src/tests/unit/Modules/Application/Controller/CheckoutTestTrait.php b/src/tests/unit/Modules/Application/Controller/CheckoutTestTrait.php
index 1b3ad04..9b22375 100644
--- a/src/tests/unit/Modules/Application/Controller/CheckoutTestTrait.php
+++ b/src/tests/unit/Modules/Application/Controller/CheckoutTestTrait.php
@@ -31,6 +31,25 @@ trait CheckoutTestTrait
 {
     use CanAccessRestricted;
 
+    protected $userFixtureId = 'userIdFixture1';
+
+    /** @var User */
+    protected $userFixture;
+
+    public function setUp(): void
+    {
+        $this->userFixture = oxNew(User::class);
+        $this->userFixture->setId($this->userFixtureId);
+        $this->userFixture->assign(['oxlname'    => __METHOD__]);
+        $this->userFixture->save();
+        $this->userFixture->load($this->userFixtureId);
+    }
+
+    public function tearDown(): void
+    {
+        $this->userFixture->delete($this->userFixtureId);
+    }
+
     /**
      * @test
      * @param $hasUser
@@ -46,18 +65,8 @@ trait CheckoutTestTrait
      * @covers \D3\Webauthn\Modules\Application\Controller\d3_webauthn_OrderController::getUser
      * @covers \D3\Webauthn\Modules\Application\Controller\d3_webauthn_UserController::getUser
      */
-    public function canGetUser($hasUser, $userId, $isActive, $sessionAuth, $expected)
+    public function canGetUser($hasUser, $isActive, $sessionAuth, $expected)
     {
-        if ($hasUser) {
-            /** @var User|MockObject $userMock */
-            $userMock = $this->getMockBuilder(User::class)
-                ->onlyMethods(['getId'])
-                ->getMock();
-            $userMock->method('getId')->willReturn($userId);
-        } else {
-            $userMock = false;
-        }
-
         /** @var Session|MockObject $sessionMock */
         $sessionMock = $this->getMockBuilder(Session::class)
             ->onlyMethods(['getVariable'])
@@ -73,7 +82,7 @@ trait CheckoutTestTrait
 
         /** @var PaymentController|OrderController|UserController|MockObject $sut */
         $sut = $this->getMockBuilder($this->sutClass)
-            ->onlyMethods(['d3GetMockableOxNewObject', 'd3GetMockableRegistryObject', 'd3CallMockableParent'])
+            ->onlyMethods(['d3GetMockableOxNewObject', 'd3GetMockableRegistryObject'])
             ->getMock();
         $sut->method('d3GetMockableOxNewObject')->willReturnCallback(
             function () use ($webauthnMock) {
@@ -97,15 +106,19 @@ trait CheckoutTestTrait
                 }
             }
         );
-        $sut->method('d3CallMockableParent')->willReturn($userMock);
+        if ($hasUser) {
+            $sut->setUser($this->userFixture);
+        }
 
         $return = $this->callMethod(
             $sut,
             'getUser'
         );
 
+        $sut->setUser(null);
+
         if ($expected === 'parent') {
-            $this->assertSame($return, $userMock);
+            $this->assertSame($return, $hasUser ? $this->userFixture : false);
         } else {
             $this->assertSame($return, $expected);
         }
@@ -117,11 +130,10 @@ trait CheckoutTestTrait
     public function canGetUserDataProvider(): array
     {
         return [
-            'no user'               => [false, null, false, null, 'parent'],
-            'no user id'            => [true, 'null', false, null, 'parent'],
-            'webauthn not active'   => [true, 'userIdFixture', false, null, 'parent'],
-            'has webauthn auth'     => [true, 'userIdFixture', true, 'userIdFixture', 'parent'],
-            'no webauthn auth'      => [true, 'userIdFixture', true, null, false],
+            'no (valid) user'       => [false, false, null, 'parent'],
+            'webauthn not active'   => [true, false, null, 'parent'],
+            'has webauthn auth'     => [true, true, 'userIdFixture', 'parent'],
+            'no webauthn auth'      => [true, true, null, false],
         ];
     }
 }
\ No newline at end of file
diff --git a/src/tests/unit/Modules/Application/Model/UserWebauthnTest.php b/src/tests/unit/Modules/Application/Model/UserWebauthnTest.php
index 8f94e1a..08b5471 100644
--- a/src/tests/unit/Modules/Application/Model/UserWebauthnTest.php
+++ b/src/tests/unit/Modules/Application/Model/UserWebauthnTest.php
@@ -43,9 +43,9 @@ class UserWebauthnTest extends UnitTestCase
 
         /** @var User|MockObject $sut */
         $sut = $this->getMockBuilder(User::class)
-            ->onlyMethods(['d3CallMockableParent', 'd3GetMockableRegistryObject'])
+            ->onlyMethods(['d3CallMockableFunction', 'd3GetMockableRegistryObject'])
             ->getMock();
-        $sut->method('d3CallMockableParent')->willReturn(true);
+        $sut->method('d3CallMockableFunction')->willReturn(true);
         $sut->method('d3GetMockableRegistryObject')->willReturnCallback(
             function () use ($sessionMock) {
                 $args = func_get_args();