title: RhinoMock test mock interface void functions?
body: <p>I'm new to RhinoMock's just been doing state unit testing up till now.</p>
  
  <p>How do you test void functions?</p>
  
  <p>Getting the following complie error when setting up expectation,</p>
  
  <p><em>Expression does not produce a value</em></p>
  
  <p>Basically I want to test that a certain mock's method is called a certain amount of times.</p>
  
  <p>Cheers</p>