PushRequestToRequestStackConstructorRector

Move push(request) to "Symfony\Component\HttpFoundation\RequestStack" constructor

 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\RequestStack;
 use PHPUnit\Framework\TestCase;

-final class SomeClass extends TestCase
+class SomeClass extends TestCase
 {
     public function run()
     {
-        $requestStack = new RequestStack();
         $request = new Request();
-        $requestStack->push($request);
+        $requestStack = new RequestStack([$request]);
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\Symfony\Symfony72\Rector\StmtsAwareInterface\PushRequestToRequestStackConstructorRector;

return RectorConfig::configure()
    ->withRules([
        PushRequestToRequestStackConstructorRector::class,
    ]);