public void ChangeQuantity_Returns_RedirectToActionResult()
{
// Arrange
var basketDbSetMock = Builder <BasketItemViewModel> .CreateListOfSize(5).Build();
_iBasketRepositoryMock.Setup(repo => repo.GetBasketItem(1)).Returns(basketDbSetMock);
//// Act
var result = _basketController.ChangeQuantity(1, 4);
//// Assert
var viewResult = Assert.IsType <RedirectToActionResult>(result);
Assert.Equal("Index", viewResult.ActionName);
}