MacRuby 0.12 failing case

gistfile1.rb

describe 'When extending an item with a dynamic module that dynamically defines methods' do
  before (:each) do
    @target = Object.new

    @the_module = Module.new do
      define_method :age do
        33
      end
    end
  end

  before (:each) do
    target.send(:extend,@the_module)
  end

  it 'should add defined methods to the target' do
    @target.age.should == 33
  end
end