fixes before squash

Author: ruano-a

tests/Functional/CustomTestKernel.php

@@ -51,10 +51,8 @@ public function getCacheDir(): string
 
     /**
      * Returns the kernel parameters.
-     *
-     * @return array
      */
-    protected function getKernelParameters()
+    protected function getKernelParameters(): array
     {
         $bundles = [];
         $bundlesMetadata = [];