public void Assert1Test()
{
var listener = new TestTraceListener();
Trace.Listeners.Add(listener);
Trace.Assert(true);
Assert.Equal(0, listener.GetCallCount(Method.WriteLine));
Assert.Equal(0, listener.GetCallCount(Method.Fail));
Trace.Assert(false);
Assert.Equal(0, listener.GetCallCount(Method.WriteLine));
Assert.Equal(1, listener.GetCallCount(Method.Fail));
}