CIPHPUnitTestCase::setUpBeforeClass PHP Method

    public static function setUpBeforeClass()
    {
        // Fix CLI args, because you may set invalid URI characters
        // For example, when you run tests on NetBeans
        $_SERVER['argv'] = ['index.php'];
        $_SERVER['argc'] = 1;
        // Reset current directroy
        chdir(FCPATH);
    }

 public static function setUpBeforeClass()
 {
     parent::setUpBeforeClass();
     // Run migration once
     if (!self::$migrate) {
         $CI =& get_instance();
         $CI->load->database();
         $CI->load->library('migration');
         $CI->migration->current();
     }
 }