private void WhenIAddButterflyTracing()
 {
     try
     {
         _ocelotBuilder.AddButterfly(
             option =>
         {
             option.CollectorUrl = "http://localhost:9618";
             option.Service      = "Ocelot.ManualTest";
         }
             );
     }
     catch (Exception e)
     {
         _ex = e;
     }
 }