BareCreateMockAssignToDirectUseRector

Add explicit instance assert between above nullable object pass

 use PHPUnit\Framework\TestCase;

 final class SomeTest extends TestCase
 {
     public function test()
     {
-        $someObject = $this->createMock(SomeClass::class);
-        $this->process($someObject);
+        $this->process($this->createMock(SomeClass::class));
     }
-

     private function process(SomeClass $someObject): void
     {
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\PHPUnit\CodeQuality\Rector\ClassMethod\BareCreateMockAssignToDirectUseRector;

return RectorConfig::configure()
    ->withRules([
        BareCreateMockAssignToDirectUseRector::class,
    ]);
SETS:  Code Quality