, $files->all());     }      /** @test */     public function gets_files_from_a_directory_recursively()     {         mkdir($this->tempDir.'/sub/sub', 0000, true);         file_put_contents($this->tempDir.'/one.txt', '');         file_put_contents($this->tempDir.'/sub/two.txt', '');         file_put_contents($this->tempDir.'/sub/three.txt', '');         file_put_contents($this->tempDir.'/sub/sub/four.txt', '');          $