chore: adjusts tests

src/Support/Exporter.php

@@ -10,7 +10,7 @@ use SebastianBergmann\RecursionContext\Context;
 /**
  * @internal
  */
-final class Exporter
+final readonly class Exporter
 {
     /**
      * The maximum number of items in an array to export.
@@ -21,7 +21,7 @@ final class Exporter
      * Creates a new Exporter instance.
      */
     public function __construct(
-        private readonly BaseExporter $exporter,
+        private BaseExporter $exporter,
     ) {
         // ...
     }

src/Support/HigherOrderCallables.php

@@ -10,12 +10,12 @@ use Pest\Expectation;
 /**
  * @internal
  */
-final class HigherOrderCallables
+final readonly class HigherOrderCallables
 {
     /**
      * Creates a new Higher Order Callables instances.
      */
-    public function __construct(private readonly object $target)
+    public function __construct(private object $target)
     {
         // ..
     }