public void TraceEvent3Test()
{
var trace = new TraceSource("TestTraceSource", SourceLevels.All);
var listener = GetTraceListener();
trace.Listeners.Add(listener);
trace.TraceEvent(TraceEventType.Verbose, 0, "Format", "Arg1", "Arg2");
Assert.Equal(1, listener.GetCallCount(Method.TraceEvent));
var flushExpected = AutoFlush ? 1 : 0;
Assert.Equal(flushExpected, listener.GetCallCount(Method.Flush));
}