gistfile1.rb

require 'rubygems'
require 'riot'

module Bang
  def go
    "yes"
  end
end

class Boom
  def go
    "no"
  end
end

class Boom
  include Bang
end

context "Including a module" do
  should "overwrite normal method" do
    Boom.new.go
  end.equals('yes')
end

#  - should overwrite normal method: expected "yes", not "no"