ialized to perform a second test run during the same program lifetime. </span>
      <span class="keyword">void</span> <a name="boost.unit_test.framework.clear"></a><span class="identifier">clear</span><span class="special">(</span><span class="special">)</span><span class="special">;</span>
      <span class="keyword">void</span> <a class="link" href="../../../boost/unit_test/framework/register_observer.html" title="Function register_observer"><span class="identifier">register_observer</span></a><span clas