diff --git a/tests/Integration/Http/ResourceTest.php b/tests/Integration/Http/ResourceTest.php
index b8c54403051..b5b2bb37806 100644
--- a/tests/Integration/Http/ResourceTest.php
+++ b/tests/Integration/Http/ResourceTest.php
@@ -1508,6 +1508,7 @@ public function testPostTooLargeException()
         $post->handle($request, fn () => null);
 
         $this->expectException(PostTooLargeException::class);
+        $this->expectExceptionMessage('The POST data is too large.');
 
         $request = new Request(server: ['CONTENT_LENGTH' => '2147483640']);
         $post = new ValidatePostSize;