title: PHP_CodeCoverage_Filter::getInstance() Error running phpunit
body: <p>I have installed phpunit in my ubuntu 11.10 having php version 5.2.14.</p>
  
  <p>But when I run my test module it is throwing error,</p>
  
  <pre><code>PHP Fatal error:  Call to undefined method PHP_CodeCoverage_Filter::getInstance() in /usr/share/php/PHPUnit/Autoload.php on line 64
  </code></pre>
  
  <p>I followed the steps mention in this stack question but still no luck.</p>
  
  <p><a href="https://stackoverflow.com/questions/9186000/call-to-undefined-method-php-codecoverage-filtergetinstance">Call to undefined method PHP_CodeCoverage_Filter::getInstance()</a></p>