--- ../tests/ManifestSerializerTest.php	2026-08-09 15:31:02.894769084 +0300
+++ ../tests/ManifestSerializerTest.php	2026-08-09 15:33:42.459674400 +0300
@@ -15,6 +15,7 @@
 use function sys_get_temp_dir;
 use function uniqid;
 use function unlink;
+use PHPUnit\Framework\Attributes\DataProvider;
 
 /**
  * @covers \PharIo\Manifest\ManifestSerializer
@@ -58,13 +59,12 @@
  */
 class ManifestSerializerTest extends \PHPUnit\Framework\TestCase {
     /**
-     * @dataProvider dataProvider
-     *
      * @uses \PharIo\Manifest\Application
      * @uses \PharIo\Manifest\Library
      * @uses \PharIo\Manifest\Extension
      * @uses \PharIo\Manifest\ExtensionElement
      */
+    #[DataProvider('dataProvider')]
     public function testCanSerializeToString($expected): void {
         $manifest = ManifestLoader::fromString($expected);
 
@@ -76,7 +76,7 @@
         );
     }
 
-    public function dataProvider() {
+    public static function dataProvider() {
         return [
             'application' => [file_get_contents(__DIR__ . '/_fixture/phpunit-5.6.5.xml')],
             'library'     => [file_get_contents(__DIR__ . '/_fixture/library.xml')],
@@ -102,7 +102,7 @@
      * @uses \PharIo\Manifest\ApplicationName
      */
     public function testCanHandleUnknownType(): void {
-        $type     = $this->getMockForAbstractClass(Type::class);
+        $type     = new UnknownType();
         $manifest = new Manifest(
             new ApplicationName('testvendor/testname'),
             new Version('1.0.0'),
@@ -122,3 +122,7 @@
         );
     }
 }
+
+class UnknownType extends Type
+{
+}