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To be able to run acceptance tests you need a running webserver. For this we can use php bultin server and run it in the directory where your main project folder is located. For example if your application is located in `/www/advanced` all that is needed to do is:
`cd /www` and then `php -S 127.0.0.1:8080`.
If you already have a server configured or your application is not located in a folder called advanced, you may need to adjust the `TEST_ENTRY_URL` in `frontend/tests/_bootstrap.php` and `backend/tests/_bootstrap.php`.