public void TestMillisecondsToTimespan01()
        {
            var stopwatch = Startwatch.FromMilliseconds(20 * 1000);

            Assert.AreEqual(new TimeSpan(0, 0, 20), stopwatch.Elapsed);
        }
        public void TestMillisecondsToTimespan02()
        {
            var stopwatch = Startwatch.FromMilliseconds(25 * 1000 + 200);

            AssertTimespansClose(new TimeSpan(0, 0, 0, 25, 200), stopwatch.Elapsed);
        }
        public void TestMillisecondsToMilliseconds02()
        {
            var stopwatch = Startwatch.FromMilliseconds(25 * 1000 + 200);

            AssertMillisecondsClose(new TimeSpan(0, 0, 0, 25, 200).TotalMilliseconds, stopwatch.ElapsedMilliseconds);
        }