public void NearZeroElapsed()
{
TimePoint start = TimePoint.Now();
TimeSpan elapsed = start.Elapsed();
elapsed.TotalMilliseconds.Should().BeLessThan(1.0d);
}
public void FiveMillisecondsElapsed()
{
TimePoint start = TimePoint.Now();
Thread.Sleep(5);
TimeSpan elapsed = start.Elapsed();
elapsed.TotalMilliseconds.Should().BeApproximately(5.0d, 2.0d);
}