diff --git a/tests/Admin/AdminTest.php b/tests/Admin/AdminTest.php
index dfc1ccc..b7e7cd3 100755
--- a/tests/Admin/AdminTest.php
+++ b/tests/Admin/AdminTest.php
@@ -17,7 +17,7 @@ namespace Modules\Kanban\tests\Admin;
 /**
  * @internal
  */
-class AdminTest extends \PHPUnit\Framework\TestCase
+final class AdminTest extends \PHPUnit\Framework\TestCase
 {
     protected const NAME = 'Kanban';
 
diff --git a/tests/ControllerTest.php b/tests/ControllerTest.php
index d423ec5..d8ae1c3 100755
--- a/tests/ControllerTest.php
+++ b/tests/ControllerTest.php
@@ -32,7 +32,7 @@ use phpOMS\Utils\TestUtils;
 /**
  * @internal
  */
-class ControllerTest extends \PHPUnit\Framework\TestCase
+final class ControllerTest extends \PHPUnit\Framework\TestCase
 {
     protected $app    = null;
 
diff --git a/tests/Models/1KanbanBoardMapperTest.php b/tests/Models/1KanbanBoardMapperTest.php
index 9308712..5a8f91a 100755
--- a/tests/Models/1KanbanBoardMapperTest.php
+++ b/tests/Models/1KanbanBoardMapperTest.php
@@ -22,7 +22,7 @@ use phpOMS\Utils\RnG\Text;
 /**
  * @internal
  */
-class KanbanBoardMapperTest extends \PHPUnit\Framework\TestCase
+final class KanbanBoardMapperTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Kanban\Models\KanbanBoardMapper
diff --git a/tests/Models/3KanbanColumnMapperTest.php b/tests/Models/3KanbanColumnMapperTest.php
index f1ecb08..8dd006a 100755
--- a/tests/Models/3KanbanColumnMapperTest.php
+++ b/tests/Models/3KanbanColumnMapperTest.php
@@ -21,7 +21,7 @@ use phpOMS\Utils\RnG\Text;
 /**
  * @internal
  */
-class KanbanColumnMapperTest extends \PHPUnit\Framework\TestCase
+final class KanbanColumnMapperTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Kanban\Models\KanbanColumnMapper
diff --git a/tests/Models/4KanbanCardMapperTest.php b/tests/Models/4KanbanCardMapperTest.php
index 13c17cd..708eb86 100755
--- a/tests/Models/4KanbanCardMapperTest.php
+++ b/tests/Models/4KanbanCardMapperTest.php
@@ -26,7 +26,7 @@ use phpOMS\Utils\RnG\Text;
 /**
  * @internal
  */
-class KanbanCardMapperTest extends \PHPUnit\Framework\TestCase
+final class KanbanCardMapperTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Kanban\Models\KanbanCardMapper
diff --git a/tests/Models/5KanbanCardCommentMapperTest.php b/tests/Models/5KanbanCardCommentMapperTest.php
index f709411..c8d2961 100755
--- a/tests/Models/5KanbanCardCommentMapperTest.php
+++ b/tests/Models/5KanbanCardCommentMapperTest.php
@@ -22,7 +22,7 @@ use phpOMS\Utils\RnG\Text;
 /**
  * @internal
  */
-class KanbanCardCommentMapperTest extends \PHPUnit\Framework\TestCase
+final class KanbanCardCommentMapperTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Kanban\Models\KanbanCardCommentMapper
diff --git a/tests/Models/KanbanBoardTest.php b/tests/Models/KanbanBoardTest.php
index de74667..8e10d67 100755
--- a/tests/Models/KanbanBoardTest.php
+++ b/tests/Models/KanbanBoardTest.php
@@ -21,7 +21,7 @@ use Modules\Kanban\Models\KanbanBoard;
 /**
  * @internal
  */
-class KanbanBoardTest extends \PHPUnit\Framework\TestCase
+final class KanbanBoardTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Kanban\Models\KanbanBoard
diff --git a/tests/Models/KanbanCardCommentTest.php b/tests/Models/KanbanCardCommentTest.php
index ad3e0d9..060bf45 100755
--- a/tests/Models/KanbanCardCommentTest.php
+++ b/tests/Models/KanbanCardCommentTest.php
@@ -20,7 +20,7 @@ use Modules\Kanban\Models\KanbanCardComment;
 /**
  * @internal
  */
-class KanbanCardCommentTest extends \PHPUnit\Framework\TestCase
+final class KanbanCardCommentTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Kanban\Models\KanbanCardComment
diff --git a/tests/Models/KanbanCardTest.php b/tests/Models/KanbanCardTest.php
index f64c35c..f5412c0 100755
--- a/tests/Models/KanbanCardTest.php
+++ b/tests/Models/KanbanCardTest.php
@@ -23,7 +23,7 @@ use Modules\Media\Models\NullMedia;
 /**
  * @internal
  */
-class KanbanCardTest extends \PHPUnit\Framework\TestCase
+final class KanbanCardTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Kanban\Models\KanbanCard
diff --git a/tests/Models/KanbanColumnTest.php b/tests/Models/KanbanColumnTest.php
index 3215355..45cdd3b 100755
--- a/tests/Models/KanbanColumnTest.php
+++ b/tests/Models/KanbanColumnTest.php
@@ -20,7 +20,7 @@ use Modules\Kanban\Models\KanbanColumn;
 /**
  * @internal
  */
-class KanbanColumnTest extends \PHPUnit\Framework\TestCase
+final class KanbanColumnTest extends \PHPUnit\Framework\TestCase
 {
     /**
      * @covers Modules\Kanban\Models\KanbanColumn