public void should_convert_seconds_to_elapsed_time()
        {
            var time = new TimeSpan(0, 0, 0, 3, 0);
            var elapsed = time.GetElapsedTime();

            elapsed.ShouldBe("3s");
        }
 public void should_convert_minutes_and_seconds_to_elapsed_time()
 {
     var time = new TimeSpan(0, 0, 2, 30, 0);
     var elapsed = time.GetElapsedTime();
     elapsed.ShouldBe("2m 30s");
 }