tests unexpectedly stopped working , they produce the following error [Symfony\Component\HttpKernel\Exception\NotFoundHttpException] in laravel 5

yesterday worked perfectly and approved the test, now there continues after line 2 with the following error

[Symfony\Component\HttpKernel\Exception\NotFoundHttpException]

Codeception:

"codeception/codeception": "^2.2@dev"

My functional.suite.yml

class_name: FunctionalTester
modules:
    enabled:
        - Laravel5:
            environment_file: .env
        - \Helper\Functional

My test

$I = new FunctionalTester($scenario);
$I->wantTo('visit to home');
$I->amOnPage('/');
$I->click(['class' => 'button-register']);
$I->see('Registrarme con Facebook');

My link

<li class="header-menu-list-item trigger"><a href="javascript:;" class="btn btn-transparent button-register trigger" data-dialog="modal-register">Regístrate</a> </li>

via Chebli Mohamed