fails:Dir.entries returns an Array of filenames in an existing directory including dotfiles
fails:Dir.entries calls #to_path on non-String arguments
fails:Dir.entries accepts an options Hash
fails:Dir.entries returns entries encoded with the filesystem encoding by default
fails:Dir.entries returns entries encoded with the specified encoding
fails:Dir.entries returns entries transcoded to the default internal encoding
fails:Dir.entries raises a SystemCallError if called with a nonexistent diretory
