Install Rector to help migrate toward PHPUnit 10+

Author: Jean85

composer.json

@@ -36,11 +36,12 @@
     "require-dev": {
         "facile-it/facile-coding-standard": "^1.2",
         "jangregor/phpstan-prophecy": "2.2.0",
+        "phpspec/prophecy-phpunit": "^2.0",
         "phpstan/extension-installer": "^1.4",
         "phpstan/phpstan": "2.1.17",
         "phpstan/phpstan-phpunit": "2.0.6",
         "phpunit/phpunit": "^9.6.6",
-        "phpspec/prophecy-phpunit": "^2.0",
+        "rector/rector": "2.0.17",
         "symfony/phpunit-bridge": "^6.4 || ^7.0",
         "vimeo/psalm": "^4.6 || ^5.0"
     }

rector.php

@@ -0,0 +1,20 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+
+return RectorConfig::configure()
+    ->withPaths([
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ])
+    // uncomment to reach your current PHP version
+    // ->withPhpSets()
+    ->withTypeCoverageLevel(0)
+    ->withDeadCodeLevel(0)
+    ->withCodeQualityLevel(0)
+    ->withSets([
+        \Rector\PHPUnit\Set\PHPUnitSetList::PHPUNIT_100,
+    ])
+;