Test for gem dependency

Gemfile.lock

@@ -4,6 +4,7 @@ PATH
     simple_controller (0.1.0)
       inherited_resources
       ransack
+      responders
       will_paginate (~> 3.1.0)
 
 GEM

lib/simple_controller.rb

-require 'responders'
+require 'rails'
+require 'actionpack'
+require 'activerecord'
+require 'activesupport'
+require 'active_support/dependencies'
+require 'set'
+
 require 'ransack'
 require 'inherited_resources'
+require 'responders'
 
 module SimpleController
   autoload :VERSION,            'simple_controller/version'

simple_controller.gemspec

@@ -33,6 +33,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency "ransack"
   spec.add_dependency "inherited_resources"
   spec.add_dependency "will_paginate", '~> 3.1.0'
+  spec.add_dependency "responders"
 
   spec.add_development_dependency "bundler", "~> 1.16"
   spec.add_development_dependency "rake", "~> 10.0"