public void IfGivenThePositionOfAnExistingSheetShouldRemoveThatSheet()
        {
            _objectToTest = new SXSSFWorkbook();
            _objectToTest.CreateSheet("1");
            _objectToTest.CreateSheet("2");

            _objectToTest.RemoveSheetAt(0);
            var sheet = _objectToTest.GetSheetAt(0);

            Assert.IsTrue(_objectToTest.NumberOfSheets == 1);
            Assert.AreEqual("2", sheet.SheetName);
        }