public void DeleteFileTest()
 {
     using (var server = new HttpServer(new RequestHandler
     {
         EstimatedMethod = "DELETE",
         EstimatedPathAndQuery = string.Format("/v1.0/accounts/{0}/portins/1/loas/test", Helper.AccountId)
     }))
     {
         var client = Helper.CreateClient();
         var portIn = new PortIn { Id = "1" };
         portIn.SetClient(client);
         portIn.DeleteFile("test").Wait();
         if (server.Error != null) throw server.Error;
     }
 }