diff --git a/src/Tempest/Framework/Testing/Http/HttpRouterTester.php b/src/Tempest/Framework/Testing/Http/HttpRouterTester.php
index 477d19b19..148ea9822 100644
--- a/src/Tempest/Framework/Testing/Http/HttpRouterTester.php
+++ b/src/Tempest/Framework/Testing/Http/HttpRouterTester.php
@@ -14,6 +14,7 @@
 use Tempest\Http\Mappers\RequestToPsrRequestMapper;
 use Tempest\Http\Method;
 use Tempest\Http\Request;
+use Tempest\Http\Response;
 use Tempest\Reflection\MethodReflector;
 use Tempest\Router\Exceptions\HttpExceptionHandler;
 use Tempest\Router\Route;
@@ -239,19 +240,27 @@ public function sendRequest(Request $request): TestResponseHelper
             try {
                 $response = $router->dispatch(map($request)->with(RequestToPsrRequestMapper::class)->do());
             } catch (Throwable $throwable) {
-                return new TestResponseHelper(
+                return $this->createTestResponseHelper(
                     response: $this->container->get(HttpExceptionHandler::class)->renderResponse($request, $throwable),
                     request: $request,
-                    container: $this->container,
                     throwable: $throwable,
                 );
             }
         }
 
-        return new TestResponseHelper(
+        return $this->createTestResponseHelper(
             response: $response,
             request: $request,
-            container: $this->container,
+        );
+    }
+
+    private function createTestResponseHelper(Response $response, Request $request, ?Throwable $throwable = null): TestResponseHelper
+    {
+        return $this->container->get(
+            TestResponseHelper::class,
+            response: $response,
+            request: $request,
+            throwable: $throwable,
         );
     }
 
diff --git a/src/Tempest/Framework/Testing/Http/TestResponseHelper.php b/src/Tempest/Framework/Testing/Http/TestResponseHelper.php
index b3e244d53..8274c8468 100644
--- a/src/Tempest/Framework/Testing/Http/TestResponseHelper.php
+++ b/src/Tempest/Framework/Testing/Http/TestResponseHelper.php
@@ -26,7 +26,7 @@
 
 use function Tempest\Support\arr;
 
-final class TestResponseHelper
+class TestResponseHelper
 {
     /**
      * @param Response $response The original response from the controller.