Bootstrap codeception cakephp

_bootstrap.php

<?php
// Here you can initialize variables that will be available to your tests, e.g. the app's bootstrap.php
$findRoot = function ($root) {
    do {
        $lastRoot = $root;
        $root = dirname($root);
        if (is_dir($root . '/vendor/cakephp/cakephp')) {
            return $root;
        }
    } while ($root !== $lastRoot);

    throw new Exception("Cannot find the root of the application, unable to run tests");
};
$root = $findRoot(__FILE__);
unset($findRoot);

chdir($root);
require $root . '/config/bootstrap.php';