ReplaceTestFunctionPrefixWithAttributeRector

Find another rule

Replace @test with prefixed function

 class SomeTest extends \PHPUnit\Framework\TestCase
 {
-    public function testOnePlusOneShouldBeTwo()
+    #[Test]
+    public function onePlusOneShouldBeTwo()
     {
         $this->assertSame(2, 1+1);
     }
 }

Configure your rector.php:

<?php

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

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