diff --git a/Gemfile b/Gemfile
index 5487332..c620ac1 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,36 +1,36 @@
-source "https://rubygems.org"
+source 'https://rubygems.org'
 
 group :development, :test do
   gem 'pry-byebug'
 end
 
 group :development do
   gem 'rubocop', '0.35', require: false
   gem 'guard-minitest', require: false
   gem 'guard', require: false
   gem 'capistrano', '3.2.1', require: false # pkg:capistrano
 end
 
 # Lock jessie versions
 #
 
 gem 'rails', '4.1.8'
 gem 'i18n', '0.6.9'
 gem 'json', '1.8.1'
 gem 'mail', '2.6.1'
 gem 'mime-types', '1.25'
 gem 'minitest', '5.4.2'
 gem 'rack', '1.5.2'
 gem 'rack-test', '0.6.2'
 gem 'rake', '10.3.2'
 gem 'sprockets', '2.12.3'
 gem 'sprockets-rails', '2.1.3'
 gem 'thread_safe', '0.3.3'
 gem 'tzinfo', '1.1.0'
 
 gem 'mysql2', '0.3.16'
 gem 'jquery-rails', '3.1.2'
 
 group :test do
   gem 'factory_girl_rails', '4.4.1' # pkg:ruby-factory-girl-rails
 end
diff --git a/app/helpers/flash_helper.rb b/app/helpers/flash_helper.rb
index 9868beb..805d878 100644
--- a/app/helpers/flash_helper.rb
+++ b/app/helpers/flash_helper.rb
@@ -1,24 +1,24 @@
 module FlashHelper
 
-  def bootstrap_class_for flash_type
+  def bootstrap_class_for(flash_type)
     {
       success: 'alert-success',
       error:   'alert-danger',
       alert:   'alert-warning',
       notice:  'alert-info'
     }.fetch(flash_type.to_sym, flash_type.to_s)
   end
 
   def flash_messages
     flash.each do |msg_type, message|
       concat(
-        content_tag(:div, message, class: "alert #{bootstrap_class_for(msg_type)} fade in") do 
+        content_tag(:div, message, class: "alert #{bootstrap_class_for(msg_type)} fade in") do
           concat content_tag(:button, 'x', class: 'close', data: { dismiss: 'alert' })
-          concat message 
+          concat message
         end
       )
     end
 
     nil
   end
 end
diff --git a/bin/rails b/bin/rails
index 728cd85..5191e69 100755
--- a/bin/rails
+++ b/bin/rails
@@ -1,4 +1,4 @@
 #!/usr/bin/env ruby
-APP_PATH = File.expand_path('../../config/application',  __FILE__)
+APP_PATH = File.expand_path('../../config/application', __FILE__)
 require_relative '../config/boot'
 require 'rails/commands'
diff --git a/config.ru b/config.ru
index 5bc2a61..bd83b25 100644
--- a/config.ru
+++ b/config.ru
@@ -1,4 +1,4 @@
 # This file is used by Rack-based servers to start the application.
 
-require ::File.expand_path('../config/environment',  __FILE__)
+require ::File.expand_path('../config/environment', __FILE__)
 run Rails.application
diff --git a/config/initializers/cookies_serializer.rb b/config/initializers/cookies_serializer.rb
index 7a06a89..7f70458 100644
--- a/config/initializers/cookies_serializer.rb
+++ b/config/initializers/cookies_serializer.rb
@@ -1,3 +1,3 @@
 # Be sure to restart your server when you modify this file.
 
-Rails.application.config.action_dispatch.cookies_serializer = :json
\ No newline at end of file
+Rails.application.config.action_dispatch.cookies_serializer = :json
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 4c96402..315306f 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,9 +1,11 @@
 ENV['RAILS_ENV'] ||= 'test'
 require File.expand_path('../../config/environment', __FILE__)
 require 'rails/test_help'
 
-Dir[Rails.root.join("test/support/*.rb")].each {|f| require f }
+Dir[Rails.root.join('test/support/*.rb')].each { |f| require f }
 
-class ActiveSupport::TestCase
-  include FactoryGirl::Syntax::Methods
+module ActiveSupport
+  class TestCase
+    include FactoryGirl::Syntax::Methods
+  end
 end