public void SortByDescending() { //Arrange int[] inputArray = new int[] { 31, 41, 59, 26, 41, 58 }; int[] expectedArray = new int[] { 59, 58, 41, 41, 31, 26 }; //Act //Assert Assert.Equal(SortMethods.InsertionSortByDescending(inputArray), expectedArray); }