public OtherViewModel OccasionalError(OtherInputModel inputModel)
 {
     var rand = new Random();
     if (rand.Next(0, 100) < 10)
     {
         throw new Exception("Boom");
     }
     return new OtherViewModel
     {
         HelloText = inputModel.HelloText
     };
 }
 public string OtherView(OtherInputModel inputModel)
 {
     return inputModel.HelloText;
 }