public void SaveToXLSXTestWhenGroupSessionsResultsReport(string groupName, int sessionNumber, bool descending)
        {
            //Arrange
            var     location    = System.Reflection.Assembly.GetExecutingAssembly().Location;
            var     path        = Path.GetDirectoryName(location);
            IReport report      = new GroupSessionsResultsReport(groupName, sessionNumber, x => x.FirstName, descending);
            bool    fileIsExist = false;

            //Act
            Excel excel = new Excel(path + "\\Excel\\", "GroupSessions");

            excel.SaveToXLSX(report);
            if (File.Exists(path + "\\Excel\\" + "GroupSessions.xlsx"))
            {
                fileIsExist = true;
            }

            //Assert
            Assert.IsTrue(fileIsExist);
        }