Exception: System.Net.Http.HttpRequestException: An error occurred while sending the request ---> System.Net.WebException: Error: ConnectFailure (Invalid arguments) ---> System.Net.Sockets.SocketException: Invalid arguments
  at System.Net.Sockets.SocketAsyncResult.CheckIfThrowDelayedException () [0x00014] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
  at System.Net.Sockets.Socket.EndConnect (System.IAsyncResult asyncResult) [0x0002c] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
  at System.Net.Sockets.SocketTaskExtensions+<>c.<ConnectAsync>b__2_1 (System.IAsyncResult asyncResult) [0x00006] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
  at System.Threading.Tasks.TaskFactory`1[TResult].FromAsyncCoreLogic (System.IAsyncResult iar, System.Func`2[T,TResult] endFunction, System.Action`1[T] endAction, System.Threading.Tasks.Task`1[TResult] promise, System.Boolean requiresSynchronization) [0x00019] in <b4d1a66727f44ba888b54966284fabb4>:0 
--- End of stack trace from previous location where exception was thrown ---

  at System.Net.WebConnection.Connect (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x0019b] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
   --- End of inner exception stack trace ---
  at System.Net.WebConnection.Connect (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x00217] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
  at System.Net.WebConnection.InitConnection (System.Net.WebOperation operation, System.Threading.CancellationToken cancellationToken) [0x000cc] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
  at System.Net.WebOperation.Run () [0x0009a] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
  at System.Net.WebCompletionSource`1[T].WaitForCompletion () [0x00094] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
  at System.Net.HttpWebRequest.RunWithTimeoutWorker[T] (System.Threading.Tasks.Task`1[TResult] workerTask, System.Int32 timeout, System.Action abort, System.Func`1[TResult] aborted, System.Threading.CancellationTokenSource cts) [0x000f8] in <118907f5eb5f4e538f3e3bdd8361378f>:0 
  at System.Net.Http.HttpClientHandler.SendAsync (System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) [0x002e7] in <6b8b04ed2efa45cfbebc3a7d31b3c9d4>:0 
   --- End of inner exception stack trace ---
  at System.Net.Http.HttpClientHandler.SendAsync (System.Net.Http.HttpRequestMessage request, System.Threading.CancellationToken cancellationToken) [0x00478] in <6b8b04ed2efa45cfbebc3a7d31b3c9d4>:0 
  at Xamarin.UITest.Shared.Http.HttpClient.SendData (System.String endpoint, System.String method, System.Net.Http.HttpContent content, Xamarin.UITest.Shared.Http.ExceptionPolicy exceptionPolicy, System.Nullable`1[T] timeOut) [0x000c7] in <18ae7883e2424c558186d1d9edf9f14b>:0 
  at Xamarin.UITest.Shared.Http.HttpClient.Post (System.String endpoint, System.String arguments, Xamarin.UITest.Shared.Http.ExceptionPolicy exceptionPolicy, System.Nullable`1[T] timeOut) [0x00014] in <18ae7883e2424c558186d1d9edf9f14b>:0 
  at Xamarin.UITest.Shared.Http.HttpClient.Post (System.String endpoint, System.Object arguments, Xamarin.UITest.Shared.Http.ExceptionPolicy exceptionPolicy, System.Nullable`1[T] timeOut) [0x00013] in <18ae7883e2424c558186d1d9edf9f14b>:0 
  at Xamarin.UITest.Android.AndroidGestures.Query[T] (Xamarin.UITest.Queries.AppTypedSelector`1[T] selector) [0x0001c] in <18ae7883e2424c558186d1d9edf9f14b>:0 
  at Xamarin.UITest.Android.AndroidApp+<>c__DisplayClass14_0`1[T].<Query>b__0 () [0x00017] in <18ae7883e2424c558186d1d9edf9f14b>:0 
  at Xamarin.UITest.Utils.ErrorReporting.With[T] (System.Func`1[TResult] func, System.Object[] args, System.String memberName) [0x0000e] in <18ae7883e2424c558186d1d9edf9f14b>:0