The database session driver is weird, or am I?

Hey, I´m currently working on a feature where users can view all their sessions across multiple devices. To feature test this functionality I´m doing the following:

• Create the sessions table migration

php artisan session:table

• Edit phpunit.xml

<server name="SESSION_DRIVER" value="database"/>

• Edit .env

SESSION_DRIVER=database

• Edit the frontend

<h1>Sessions</h1>
{{ $sessions }}

@auth
    <form action="logout" method="post">
        @csrf
        <button type="submit">Logout</button>
    </form>
@endauth

@guest
    <form action="login" method="post">
        @csrf
        <button type="submit">Login</button>
    </form>
@endguest

• Define routes

<?php

use App\User;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Route;

Route::get('/', function () {
    $sessions = auth()->check()
        ? DB::table('sessions')->whereUserId(auth()->user()->id)->get()
        : collect([]);

    return view('welcome', [
        'sessions' => $sessions,
    ]);
});

Route::post('login', function () {
    auth()->login(User::first());
    return back();
});

Route::post('logout', function () {
    auth()->logout();
    return back();
});

Note: For testing purposes I´ve created a dummy user in the DatabaseTableSeeder and ran php artisan migrate --seed

• Write the test:

<?php

namespace Tests\Feature;

use App\User;
use Tests\TestCase;
use Illuminate\Support\Facades\DB;
use Illuminate\Foundation\Testing\RefreshDatabase;

class ExampleTest extends TestCase
{
    use RefreshDatabase;

    public function setUp(): void
    {
        parent::setUp();

        $this->user = factory(User::class)->create();
    }

    /** @test */
    function passes()
    {
        $this->actingAs($this->user);

        $this->get('/');

        $this->get('/')
            ->assertViewHas('sessions', DB::table('sessions')->whereUserId($this->user->id)->get());
    }

    /** @test */
    function fails()
    {
        $this->actingAs($this->user)
            ->get('/')
            ->assertViewHas('sessions', DB::table('sessions')->whereUserId($this->user->id)->get());
    }
}

Now my problem is that my tests are not green, but in reality everything works as expected. I´ve created an example repo so you can check out my code: https://github.com/stebrl/database-sessions-test

Would be really nice if someone could help!