add test batches

app/Services/Roles/RoleAssignmentService.php

@@ -3,6 +3,7 @@
 namespace App\Services\Roles;
 
 use App\Models\Role;
+use App\Models\Staff;
 use App\Models\User;
 use App\Models\UserRole;
 use Illuminate\Support\Facades\DB;
@@ -10,7 +11,9 @@ use Illuminate\Support\Facades\Log;
 
 class RoleAssignmentService
 {
-    public function __construct(private RoleStaffService $staffService) {}
+    public function __construct(private RoleStaffService $staffService)
+    {
+    }
 
     /** @param int[] $roleIds */
     public function assignRoles(int $userId, array $roleIds, ?int $adminId = null): array
@@ -18,7 +21,7 @@ class RoleAssignmentService
         $roleIds = array_values(array_unique(array_filter(array_map('intval', $roleIds), fn ($id) => $id > 0)));
 
         $user = User::query()->find($userId);
-        if (! $user) {
+        if (!$user) {
             return ['ok' => false, 'message' => 'User not found.'];
         }
 
@@ -35,7 +38,7 @@ class RoleAssignmentService
                 }
             });
         } catch (\Throwable $e) {
-            Log::error('Role assignment failed: '.$e->getMessage());
+            Log::error('Role assignment failed: ' . $e->getMessage());
             throw $e;
         }