Codeception\TestCase\WPTestCase::get_called_class PHP Method

    public static function get_called_class()
    {
        if (function_exists('get_called_class')) {
            return get_called_class();
        }
        // PHP 5.2 only
        $backtrace = debug_backtrace();
        // [0] WP_UnitTestCase::get_called_class()
        // [1] WP_UnitTestCase::setUpBeforeClass()
        if ('call_user_func' === $backtrace[2]['function']) {
            return $backtrace[2]['args'][0][0];
        }
        return $backtrace[2]['class'];
    }