Repo Interface für tests

lib/Repository/User/UserExternalIdentityRepository.php

@@ -4,7 +4,7 @@ namespace MintyPHP\Repository\User;
 
 use MintyPHP\DB;
 
-class UserExternalIdentityRepository
+class UserExternalIdentityRepository implements UserExternalIdentityRepositoryInterface
 {
     private function unwrap($row): ?array
     {
@@ -39,7 +39,7 @@ class UserExternalIdentityRepository
         return $this->unwrap($row);
     }
 
-    public function createLink(array $data)
+    public function createLink(array $data): mixed
     {
         return DB::insert(
             'insert into user_external_identities (user_id, provider, oid, tid, issuer, subject, email_at_link_time, created) values (?,?,?,?,?,?,?,NOW())',