title: How to call original method in btakita/rr ?
body: <p>I need to check that particular method is called. Is it possible in btakita/rr? </p>
  
  <p>rspec example from:
  <a href="https://www.relishapp.com/rspec/rspec-mocks/v/2-13/docs/message-expectations/calling-the-original-method" rel="nofollow">https://www.relishapp.com/rspec/rspec-mocks/v/2-13/docs/message-expectations/calling-the-original-method</a>!</p>
  
  <pre><code>    Addition.should_receive(:two_plus_two).and_call_original
  </code></pre>