public async Task LoadAsync2_TimeTesting_TheWholeDocument()
        {
            // Arrange
            LogLoader logDataLoader = new LogLoader(logDataParser, @"C:\Projekty\LoggingSW\vzorová data\bak550\7_5_2020");
            // Act
            var data = await logDataLoader.LoadAsync(DateTime.Parse("7.5.2020 13:18:56"), DateTime.Parse("18.5.2020 13:38:33"));

            // Assert
        }
        public async Task LoadAsync2_Fungujet(DateTime pocatek, DateTime konec, int expectedLength)
        {
            // Arrange
            LogLoader logDataLoader = new LogLoader(logDataParser, VZOROVA_CESTA);
            // Act
            var data = await logDataLoader.LoadAsync(pocatek, konec);

            int actualLength = data.First().Count();

            // Assert
            Assert.Equal(expectedLength, actualLength);
        }