title: Stub Model Save Method in Rspec/Rails
body: <p>This should be simple, but i can't get it to work. I want to stub an :</p>
  
  <pre><code>@alliance.save
  </code></pre>
  
  <p>so that it returns true. I tried :</p>
  
  <pre><code>Alliance.stub(:save).and_return(true)
  </code></pre>
  
  <p>but it won't work. Any ideas ?</p>