refactor: remove duplicate HttpExceptionHandler call in router tester

Author: innocenzi

src/Tempest/Framework/Testing/Http/HttpRouterTester.php

@@ -137,8 +137,6 @@ public function sendRequest(Request $request): TestResponseHelper
         try {
             $response = $router->dispatch(map($request)->with(RequestToPsrRequestMapper::class)->do());
         } catch (Throwable $throwable) {
-            $this->container->get(HttpExceptionHandler::class)->renderResponse($request, $throwable);
-
             return new TestResponseHelper(
                 response: $this->container->get(HttpExceptionHandler::class)->renderResponse($request, $throwable),
                 request: $request,