OwenIt\Auditing\Observers\Audit::saved PHP Method

    public function saved(Auditable $model)
    {
        $model->auditUpdate();
    }

 public function test_saved_handler_audit_update()
 {
     $observer = new Audit();
     $model = Mockery::mock(Auditable::class);
     $model->shouldReceive('auditUpdate');
     $observer->saved($model);
 }