AssertIssetToAssertObjectHasPropertyRector

Change "isset()" property check, to assertObjectHasProperty() method

 use PHPUnit\Framework\TestCase;

 final class SomeTest extends TestCase
 {
     public function test()
     {
         $object = new stdClass();
-        $this->assertTrue(isset($object->someProperty));
+        $this->assertObjectHasProperty('someProperty', $object);
     }
 }

Configure your rector.php:

<?php

use Rector\Config\RectorConfig;
use Rector\PHPUnit\PHPUnit100\Rector\MethodCall\AssertIssetToAssertObjectHasPropertyRector;

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