jetzt auch mit einheitstests

composer.json

@@ -8,6 +8,11 @@
             "App\\": "src/"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+            "Tests\\":  "tests/"
+        }
+    },
     "require": {
         "php": ">=8.4",
         "symfony/uid": "^7.0",
@@ -18,11 +23,13 @@
         "rector/rector": "^2.1",
         "phpstan/phpstan": "^2.1",
         "phpstan/extension-installer": "^1.4",
-        "phpstan/phpstan-strict-rules": "^2.0"
+        "phpstan/phpstan-strict-rules": "^2.0",
+        "pestphp/pest": "^3.8"
     },
     "config": {
         "allow-plugins": {
-            "phpstan/extension-installer": true
+            "phpstan/extension-installer": true,
+            "pestphp/pest-plugin": true
         }
     },
     "scripts": {
@@ -30,6 +37,7 @@
             "rector",
             "ecs --fix || ecs --fix"
         ],
-        "phpstan": "phpstan"
+        "phpstan": "phpstan",
+        "test": "pest --mutate --parallel"
     }
 }