Turns assertEquals() into stricter assertSame() for scalar values in PHPUnit TestCase
-$this->assertEquals(2, $result);
+$this->assertSame(2, $result);Configure your rector.php:
<?php
use Rector\Config\RectorConfig;
use Rector\PHPUnit\CodeQuality\Rector\MethodCall\AssertEqualsToSameRector;
return RectorConfig::configure()
->withRules([
AssertEqualsToSameRector::class,
]);