Added tests for FailedJobResource and renamed to singular

app/Models/FailedJob.php

@@ -4,6 +4,7 @@ declare(strict_types=1);
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Carbon;
 
@@ -15,6 +16,8 @@ use Illuminate\Support\Carbon;
  */
 class FailedJob extends Model
 {
+    use HasFactory;
+
     /**
      * Indicates if the model should be timestamped.
      *