diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
index 0fe6903..e143b6a 100755
--- a/tests/Admin/AdminTest.php
+++ b/tests/Admin/AdminTest.php
@@ -17,7 +17,7 @@ namespace Modules\Editor\tests\Admin;
 /**
  * @internal
  */
-class AdminTest extends \PHPUnit\Framework\TestCase
+final class AdminTest extends \PHPUnit\Framework\TestCase
 {
     protected const NAME = 'Editor';
 
diff --git a/tests/Controller/ApiControllerTest.php b/tests/Controller/ApiControllerTest.php
index f9c0c73..9dbc516 100755
--- a/tests/Controller/ApiControllerTest.php
+++ b/tests/Controller/ApiControllerTest.php
@@ -40,7 +40,7 @@ use phpOMS\Utils\TestUtils;
 /**
  * @internal
  */
-class ApiControllerTest extends \PHPUnit\Framework\TestCase
+final class ApiControllerTest extends \PHPUnit\Framework\TestCase
 {
     protected ApplicationAbstract $app;
 
diff --git a/tests/Models/EditorDocMapperTest.php b/tests/Models/EditorDocMapperTest.php
index 1a91463..0012298 100755
--- a/tests/Models/EditorDocMapperTest.php
+++ b/tests/Models/EditorDocMapperTest.php
@@ -22,7 +22,7 @@ use phpOMS\Utils\RnG\Text;
 /**
  * @internal
  */
-class EditorDocMapperTest extends \PHPUnit\Framework\TestCase
+final class EditorDocMapperTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Editor\Models\EditorDocMapper
diff --git a/tests/Models/EditorDocTest.php b/tests/Models/EditorDocTest.php
index f058dda..22c0731 100755
--- a/tests/Models/EditorDocTest.php
+++ b/tests/Models/EditorDocTest.php
@@ -21,7 +21,7 @@ use Modules\Tag\Models\Tag;
 /**
  * @internal
  */
-class EditorDocTest extends \PHPUnit\Framework\TestCase
+final class EditorDocTest extends \PHPUnit\Framework\TestCase
 {
     private EditorDoc $doc;