title: Install phpunit on windows
body: <p>How to install phpunit?</p>
  
  <p>I read documentation <a href="https://github.com/sebastianbergmann/phpunit" rel="noreferrer">https://github.com/sebastianbergmann/phpunit</a>, but have an error:</p>
  
  <pre><code>&gt;pear upgrade PEAR
  Nothing to upgrade
  
  &gt;pear config-set auto_discover 1
  config-set succeeded
  
  &gt;pear install pear.phpunit.de/PHPUnit
  No releases available for package "pear.phpunit.de/PHPUnit"
  install failed
  </code></pre>
  
  <p>How can I fix this error?</p>