public void ShouldSortWithBubleSort()
        {
            //Arrange
            BubleSort bubleSort = new BubleSort();
            int       n1 = 100, n2 = 150;
            int       expectedn1 = 150, expectedn2 = 100;

            //Act
            bubleSort.Swap(ref n1, ref n2);

            //Assert
            Assert.AreEqual(n1, expectedn1);
            Assert.AreEqual(n2, expectedn2);
        }