How to make Bitrix and codeception friends?

Question

Codeception

installed according to the codeception.com/quickstart
instructions, the tests are launched, but the first acceptance test Welcome from the example does not pass (fail).
test code:

<?php
$I = new WebGuy($scenario);
$I->wantTo('perform actions and see result');
$I->amOnPage('/');
$I->see('ВОЙТИ НА САЙТ');

the phrase is on the site,
the contents of acceptance.suite.yml:

class_name: WebGuy
modules:
    enabled:
        - PhpBrowser
        - WebHelper
    config:
        PhpBrowser:
            url: 'http://localhost/'

the authorization page for the portal should open
scenario steps:
2. I see null
1. I am on page "/"
installed Bitrix corporate portal
Who faced the problem, please tell me