diff --git a/tests/Unit/Core/Addon/AddonManagerHelperTest.php b/tests/Unit/Core/Addon/AddonManagerHelperTest.php
index 41320361dd..9dbbbdfdd0 100644
--- a/tests/Unit/Core/Addon/AddonManagerHelperTest.php
+++ b/tests/Unit/Core/Addon/AddonManagerHelperTest.php
@@ -24,8 +24,22 @@ class AddonManagerHelperTest extends TestCase
 {
 	public function testGetAddonInfoReturnsAddonInfo(): void
 	{
+		$root = vfsStream::setup(__FUNCTION__ . '_addons', 0777, [
+			'helloaddon' => [
+				'helloaddon.php' => <<<PHP
+					<?php
+					/**
+					 * Name: Hello Addon
+					 * Description: For testing purpose only
+					 * Version: 1.0
+					 * Author: Artur Weigandt <dont-mail-me@example.com>
+					 */
+					PHP,
+			]
+		]);
+
 		$addonManagerHelper = new AddonManagerHelper(
-			__DIR__ . '/../../../Util/addons',
+			$root->url(),
 			$this->createStub(Database::class),
 			$this->createStub(IManageConfigValues::class),
 			$this->createStub(ICanCache::class),
@@ -50,8 +64,10 @@ class AddonManagerHelperTest extends TestCase
 			],
 		]);
 
+		$root = vfsStream::setup(__FUNCTION__ . '_addons', 0777, []);
+
 		$addonManagerHelper = new AddonManagerHelper(
-			__DIR__ . '/../../../Util/addons',
+			$root->url(),
 			$this->createStub(Database::class),
 			$config,
 			$this->createStub(ICanCache::class),
@@ -78,8 +94,10 @@ class AddonManagerHelperTest extends TestCase
 			],
 		]);
 
+		$root = vfsStream::setup(__FUNCTION__ . '_addons', 0777, []);
+
 		$addonManagerHelper = new AddonManagerHelper(
-			__DIR__ . '/../../../Util/addons',
+			$root->url(),
 			$this->createStub(Database::class),
 			$config,
 			$this->createStub(ICanCache::class),
@@ -104,8 +122,10 @@ class AddonManagerHelperTest extends TestCase
 			],
 		]);
 
+		$root = vfsStream::setup(__FUNCTION__ . '_addons', 0777, []);
+
 		$addonManagerHelper = new AddonManagerHelper(
-			__DIR__ . '/../../../Util/addons',
+			$root->url(),
 			$this->createStub(Database::class),
 			$config,
 			$this->createStub(ICanCache::class),
@@ -118,8 +138,14 @@ class AddonManagerHelperTest extends TestCase
 
 	public function testGetAvailableAddons(): void
 	{
+		$root = vfsStream::setup(__FUNCTION__ . '_addons', 0777, [
+			'helloaddon' => [
+				'helloaddon.php' => '<?php',
+			]
+		]);
+
 		$addonManagerHelper = new AddonManagerHelper(
-			__DIR__ . '/../../../Util/addons',
+			$root->url(),
 			$this->createStub(Database::class),
 			$this->createStub(IManageConfigValues::class),
 			$this->createStub(ICanCache::class),
diff --git a/tests/Util/addons/helloaddon/helloaddon.php b/tests/Util/addons/helloaddon/helloaddon.php
deleted file mode 100644
index 679298dfde..0000000000
--- a/tests/Util/addons/helloaddon/helloaddon.php
+++ /dev/null
@@ -1,29 +0,0 @@
-<?php
-
-// SPDX-FileCopyrightText: 2010-2024 the Friendica project
-//
-// SPDX-License-Identifier: AGPL-3.0-or-later
-
-/**
- * Name: Hello Addon
- * Description: For testing purpose only
- * Version: 1.0
- * Author: Artur Weigandt <dont-mail-me@example.com>
- */
-
-use Friendica\Core\Hook;
-
-function helloaddon_install()
-{
-	Hook::register('page_end', 'addon/helloaddon/helloaddon.php', 'helloaddon_page_end');
-}
-
-function helloaddon_uninstall()
-{
-	Hook::unregister('page_end', 'addon/helloaddon/helloaddon.php', 'helloaddon_page_end');
-}
-
-function helloaddon_page_end(&$html)
-{
-	$html .= '<p>Hello, World!</p>';
-}