diff --git a/Tests/AbstractControllerTest.php b/Tests/AbstractControllerTest.php
index a1dad3f0..7cee25e3 100644
--- a/Tests/AbstractControllerTest.php
+++ b/Tests/AbstractControllerTest.php
@@ -10,18 +10,20 @@
 use Joomla\Application\AbstractApplication;
 use Joomla\Controller\AbstractController;
 use Joomla\Input\Input;
-use PHPUnit\Framework\MockObject\MockObject;
+use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\TestDox;
 use PHPUnit\Framework\TestCase;
 
 /**
  * Tests for the Joomla\Controller\AbstractController class.
  */
+#[CoversClass(AbstractController::class)]
 class AbstractControllerTest extends TestCase
 {
     /**
      * Object being tested
      *
-     * @var  MockObject|AbstractController
+     * @var  AbstractController
      */
     private $instance;
 
@@ -35,53 +37,37 @@ protected function setUp(): void
         $this->instance = new TestController();
     }
 
-    /**
-     * @testdox  Tests the controller is instantiated correctly
-     *
-     * @covers   Joomla\Controller\AbstractController
-     */
+    #[TestDox('Tests the controller is instantiated correctly')]
     public function test__constructDefaultBehaviour()
     {
         $this->assertNull($this->instance->getApplication());
         $this->assertNull($this->instance->getInput());
     }
 
-    /**
-     * @testdox  Tests the controller is instantiated correctly
-     *
-     * @covers   Joomla\Controller\AbstractController
-     */
+    #[TestDox('Tests the controller is instantiated correctly')]
     public function test__constructDependencyInjection()
     {
-        $mockInput = $this->createMock(Input::class);
-        $mockApp = $this->createMock(AbstractApplication::class);
-        $object  = new TestController($mockInput, $mockApp);
+        $mockInput = $this->createStub(Input::class);
+        $mockApp   = $this->createStub(AbstractApplication::class);
+        $object    = new TestController($mockInput, $mockApp);
 
         $this->assertSame($mockApp, $object->getApplication());
         $this->assertSame($mockInput, $object->getInput());
     }
 
-    /**
-     * @testdox  Tests an application object is injected into the controller and retrieved correctly
-     *
-     * @covers   Joomla\Controller\AbstractController
-     */
+    #[TestDox('Tests an application object is injected into the controller and retrieved correctly')]
     public function testSetAndGetApplication()
     {
-        $mockApp = $this->createMock(AbstractApplication::class);
+        $mockApp = $this->createStub(AbstractApplication::class);
 
         $this->assertSame($this->instance, $this->instance->setApplication($mockApp), 'The setApplication method has a fluent interface');
         $this->assertSame($mockApp, $this->instance->getApplication());
     }
 
-    /**
-     * @testdox  Tests an input object is injected into the controller and retrieved correctly
-     *
-     * @covers   Joomla\Controller\AbstractController
-     */
+    #[TestDox('Tests an input object is injected into the controller and retrieved correctly')]
     public function testSetAndGetInput()
     {
-        $mockInput = $this->createMock(Input::class);
+        $mockInput = $this->createStub(Input::class);
 
         $this->assertSame($this->instance, $this->instance->setInput($mockInput), 'The setInput method has a fluent interface');
         $this->assertSame($mockInput, $this->instance->getInput());
@@ -96,7 +82,8 @@ public function testSetAndGetInput()
  * @package  Joomla\Controller\Tests
  * @since    1.0
  */
-class TestController extends AbstractController {
+class TestController extends AbstractController
+{
     public function execute()
     {
         // TODO: Implement execute() method.