title: Method Finder does not find a new method
body: <p>I am currently following the Squeak By Example book. </p>
  
  <p>It shows that when looking for an unknown method one can search the method by the correspondance between its input and its output in the <code>Method Finder</code> (it opens a <code>Selector Browser</code> window).</p>
  
  <p>For example if I enter <code>'aaa' . 'AAA'</code> it finds both <code>Character asUppercase</code> and <code>String asUppercase</code>.</p>
  
  <p>SBE teaches how to add a new method <code>shout</code> to the class <code>String</code> that puts a string in upper case and adds a final exclamation mark. Prior to the method addition, it also shows how to add a test to verify the new method via the <code>Test Runner</code>.</p>
  
  <p>If I search <code>'aaa' . 'AAA!'</code> I get a <code>No single method does that function</code>.</p>
  
  <p>If I test (print) it in the workspace I get the expected <code>'thing' shout --&gt; 'THING!'</code>. Why? Is there something to refresh?</p>