public void ConvertTimestampToTextTimeFormat_ShouldReturnDateTime() { long timestamp = 1589151900; // 10.05.2020 23:05 UTC var sensorsConversionHelper = new SensorsConversionHelper(); var expected = DateTime.Parse("05/10/2020 23:05:00").ToLocalTime(); var actual = sensorsConversionHelper.ConvertTimestampToTextTimeFormat(timestamp); Assert.True(actual.ToString() == expected.ToString()); }