test/place_test.rb in y_petri-2.1.7 vs test/place_test.rb in y_petri-2.1.9

@@ -1,6 +1,6 @@
 #! /usr/bin/ruby
-# -*- coding: utf-8 -*-
+# encoding: utf-8
 
 gem 'minitest', '=4.7.4'
 require 'minitest/autorun'
 require_relative '../lib/y_petri'     # tested component itself
 # require 'y_petri'