create fake implementations for auth and user repo

tests/Fakes/FakeAuthTokenizer.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace Tests\Fakes;
+
+use Yisroel\DigiWill\Module\Auth\AuthTokenizer;
+
+class FakeAuthTokenizer implements AuthTokenizer
+{
+    public function generateToken(): string
+    {
+        return 'AuthToken';
+    }
+}

tests/Fakes/FakeUserRepository.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Tests\Fakes;
+
+use Yisroel\DigiWill\Domain\User;
+use Yisroel\DigiWill\Repositories\UserRepository;
+
+class FakeUserRepository implements UserRepository
+{
+    private array $users;
+
+    public function __construct()
+    {
+        $this->users = [];
+    }
+
+    public function find(int $id): ?User
+    {
+    }
+
+    public function findByEmail(string $email): ?User
+    {
+    }
+
+    public function save(User $user): User
+    {
+        $this->users[$user->getId()] = $user;
+    }
+}