public async Task RemoveSubscriptions_succeeds_when_not_connected()
 {
     var mock         = new Mock <HttpMessageHandler>();
     var bayeuxClient = new BayeuxClient(new HttpLongPollingTransportOptions()
     {
         HttpClient = new HttpClient(mock.Object), Uri = "none"
     });
     await bayeuxClient.RemoveSubscriptionsAsync("dummy");
 }