extract auth test fakes

backend/tests/Fakes/FakeClock.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Tests\Fakes;
+
+use App\Auth\Clock;
+use DateTimeImmutable;
+use DateTimeZone;
+
+class FakeClock implements Clock
+{
+    public function now(): DateTimeImmutable
+    {
+        return new DateTimeImmutable('2026-05-18 12:00:00', new DateTimeZone('UTC'));
+    }
+}