bootstrap to be run on root bundle

composer.json

@@ -19,10 +19,14 @@
             "Chill\\ThirdPartyBundle\\": "src/Bundle/ChillThirdPartyBundle"
         }
     },
+    "autoload-dev": {
+        "psr-4": {
+          "App\\": "tests/app/src/"
+        }
+    },
     "require": {
         "champs-libres/async-uploader-bundle": "dev-sf4",
         "graylog2/gelf-php": "^1.5",
-        "symfony/flex": "^1.9",
         "symfony/form": "4.*",
         "symfony/twig-bundle": "^4.4",
         "twig/extra-bundle": "^2.12|^3.0",
@@ -66,6 +70,17 @@
         "symfony/stopwatch": "^5.1",
         "symfony/web-profiler-bundle": "^5.0",
         "symfony/var-dumper": "4.*",
-        "symfony/debug-bundle": "^5.1"
+        "symfony/debug-bundle": "^5.1",
+        "symfony/phpunit-bridge": "^5.2"
+    },
+    "scripts": {
+        "auto-scripts": {
+            "cache:clear": "symfony-cmd",
+            "assets:install %PUBLIC_DIR%": "symfony-cmd"
+        }
+    },
+    "config": {
+      "vendor-dir": "tests/app/vendor",
+      "bin-dir": "bin"
     }
 }