Added assert for the reason phrase because I noticed it was empty for 405 earlier in testing.

VERSION

@@ -1 +1 @@
-0.2503.70022
+0.2503.70031

tests/RouterTest.php

@@ -155,6 +155,7 @@ final class RouterTest extends TestCase {
 
         $response = $router->handle(new HttpRequest('1.1', [], NullStream::instance(), [], 'OPTIONS', HttpUri::createUri('/test'), [], []));
         $this->assertEquals(204, $response->getStatusCode());
+        $this->assertEquals('No Content', $response->getReasonPhrase());
         $this->assertEquals('GET, HEAD, OPTIONS, PATCH, POST', $response->getHeaderLine('Allow'));
     }
 }