Imposter for orders endpoint which responds based on a condition.

OrdersImposter.cs

  public class OrdersImposter: IImposter
  {
      public Imposter Build()
      {
          return new ImposterDefinition("OrdersStub")
                  .DeclareResource("/api/Orders", HttpMethod.Post)
                  .When(r => r.Content.Contains("Product:1234"))
                  .Then(new OrdersResponseCreator())
                  .Build();
      }
  }