/* (non-Javadoc)
  * @see org.evosuite.ga.Chromosome#mutate()
  */
 @Override
 public void mutate() {
   theTest.mutate();
   if (theTest.isChanged()) {
     try {
       updateClassloader();
     } catch (NoClassDefFoundError e) {
       String classname = e.getMessage();
       if (classname != null) {
         // TODO: blacklist class
       }
       TestCase t = new DefaultTestCase();
       theTest.setTestCase(t);
       updateClassloader();
       return;
     } catch (Error e) {
       return;
     } catch (Throwable e) {
       return;
     }
   }
 }