invoiceninja/tests/Browser/ClientPortal/InvoicesTest.php

<?php

namespace Tests\Browser\ClientPortal;

use App\Models\ClientContact;
use Illuminate\Foundation\Testing\DatabaseMigrations;
use Laravel\Dusk\Browser;
use Tests\Browser\Pages\ClientPortal\Login;
use Tests\DuskTestCase;

class InvoicesTest extends DuskTestCase
{
    protected function setUp(): void
    {
        parent::setUp();

        foreach (static::$browsers as $browser) {
            $browser->driver->manage()->deleteAllCookies();
        }
    }

    public function testPageLoads()
    {
        $this->browse(function (Browser $browser) {
           $browser
               ->visit(new Login())
               ->auth()
               ->visitRoute('client.invoices.index')
               ->assertSee('Invoices');
        });
    }
}