<phpunit bootstrap="tests-bootstrap.php" colors="true">
  <testsuites>
    <testsuite name="Core">
      <directory>tests</directory>
    </testsuite>
  </testsuites>
</phpunit>


<phpunit bootstrap="tests-bootstrap.php" colors="true"
    stopOnError="false"
    stopOnFailure="false"
>
  <testsuites>
    <testsuite name="Core">
      <directory>tests</directory>
    </testsuite>
  </testsuites>
</phpunit>


Add parameters to PHPunit config file
Add parameters to PHPunit config file

I prefer having these parameters specified to assuming the defaults
