Fixed test case and travelTo function in test cases

tests/TestCase.php

@@ -5,8 +5,10 @@ declare(strict_types=1);
 namespace Tests;
 
 use App\Service\PermissionStore;
+use Carbon\CarbonImmutable;
 use Illuminate\Database\Eloquent\Collection;
 use Illuminate\Foundation\Testing\TestCase as BaseTestCase;
+use Illuminate\Support\Carbon;
 use Illuminate\Support\Facades\Mail;
 use TiMacDonald\Log\LogFake;
 
@@ -32,4 +34,17 @@ abstract class TestCase extends BaseTestCase
     {
         $this->assertEqualsCanonicalizing($ids, $models->pluck('id')->toArray());
     }
+
+    /**
+     * Set the current time to the given time.
+     * This method fixes a bug, that setting the test now with Carbon::setTestNow() with a Carbon instance that has a timezone set, will not work as expected.
+     * IT will also set the timezone for model casts with type "datetime" to the timezone and not use the timezone configured in the configuration "app.timezone".
+     *
+     * @param  Carbon|CarbonImmutable  $date
+     * @param  callable|null  $callback
+     */
+    public function travelTo($date, $callback = null): void
+    {
+        parent::travelTo($date->utc());
+    }
 }