PHPUnit_Framework_TestSuite::getGroups PHP Method

    public function getGroups()
    {
        return array_keys($this->groups);
    }

 public function startTestSuite(\PHPUnit_Framework_TestSuite $suite)
 {
     $groups = $suite->getGroups();
     if ($suite instanceof PHPUnit_Extensions_SeleniumTestSuite || in_array('selenium', $groups)) {
         $this->runPhantom();
     }
 }