how to combine refinements

combining_refinements.rb

module Refinements
  module DoFoo
    refine Object do
      def foo; :foo; end
    end
  end

  module DoBar
    refine Object do
      def bar; :bar; end
    end
  end

  module FooAndBar
    include DoFoo
    include DoBar
  end
end

class A
  using Refinements::FooAndBar

  def self.test
    [1.foo, 1.bar]
  end
end

begin
  A.test
  puts "Success."
rescue NoMethodError
  puts "Nope."
  raise
end