Test with rubocop < 0.60 due to compatability issues

Maxim Krizhanovski · Maxim Krizhanovski · commit c383085ea63d · 2018-11-01T13:05:07.000+02:00
diff --git a/Gemfile b/Gemfile
@@ -2,6 +2,8 @@ source 'https://rubygems.org'
 
 gemspec
 
+gem 'rubocop', '< 0.60.0'
+
 local_gemfile = 'Gemfile.local'
 
 if File.exist?(local_gemfile)
