public void Should_change_background_color_of_the_row()
        {
            //-----------------------------------------------------------------------------------------------------------
            // Arrange
            //-----------------------------------------------------------------------------------------------------------
            ExcelRow row = excelPackage.Workbook.Worksheets.First().Row(4);

            //-----------------------------------------------------------------------------------------------------------
            // Act
            //-----------------------------------------------------------------------------------------------------------
            row.SetBackgroundColor(Color.Brown, ExcelFillStyle.DarkTrellis);

            //-----------------------------------------------------------------------------------------------------------
            // Assert
            //-----------------------------------------------------------------------------------------------------------
            row.Style.Fill.PatternType.Should().Be(ExcelFillStyle.DarkTrellis);
            row.Style.Fill.BackgroundColor.Rgb.Should().Be(string.Format("{0:X8}", Color.Brown.ToArgb() & 0xFFFFFFFF));
        }