public void CountInIntervalTest()
        {
            WeatherStation target = new WeatherStation();

            Assert.IsTrue(target.SetMeasurementAtTime("02:30", 20, 50));
            Assert.IsTrue(target.SetMeasurementAtTime("05:00", 22, 55));
            Assert.IsTrue(target.SetMeasurementAtTime("07:30", 24, 60));
            Assert.AreEqual(3, target.CountInInterval("00:00", "23:45"));
            Assert.AreEqual(-1, target.CountInInterval("02:35", "07:30"), "Unzulässige Zeitangabe 00:05");
            Assert.AreEqual(3, target.CountInInterval("02:30", "07:30"), "Genau eingegrenzt");
            Assert.AreEqual(1, target.CountInInterval("02:45", "07:15"), "Rand genau ausgegrenzt");
        }