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 <p>You are here: <a href=index.html>Home</a> <span>&#8227;</span> <a href=table-of-contents.html#unit-testing>Dive Into Python 3</a> <span>&#8227;</span>
-<p id=level>Difficulty level: <span title=intermediate>&#x2666;&#x2666;&#x2666;&#x2662;&#x2662;</span>
+<p id=level>Difficulty level: <span title=beginner>&#x2666;&#x2666;&#x2662;&#x2662;&#x2662;</span>
 <h1>Unit Testing</h1>
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 <p><span>&#x275D;</span> Certitude is not the test of certainty. We have been cocksure of many things that were not so. <span>&#x275E;</span><br>&mdash; <a href=http://en.wikiquote.org/wiki/Oliver_Wendell_Holmes,_Jr.>Oliver Wendell Holmes, Jr.</a>