public void TraceListenerFlushesChannel()
        {
            TelemetryConfiguration.Active.TelemetryChannel = this.adapterHelper.Channel;

            using (var listener = new ApplicationInsightsTraceListener(Guid.NewGuid().ToString()))
            {
                try
                {
                    listener.Flush();
                    Assert.Fail();
                }
                catch (Exception ex)
                {
                    Assert.AreEqual("Flush called", ex.Message);
                }
            }
        }
        public void TraceListenerFlushesChannel()
        {
#pragma warning disable CS0618 // Type or member is obsolete
            TelemetryConfiguration.Active.TelemetryChannel = this.adapterHelper.Channel;
#pragma warning restore CS0618 // Type or member is obsolete

            using (var listener = new ApplicationInsightsTraceListener(Guid.NewGuid().ToString()))
            {
                try
                {
                    listener.Flush();
                    Assert.Fail();
                }
                catch (Exception ex)
                {
                    Assert.AreEqual("Flush called", ex.Message);
                }
            }
        }