public async void Should_change_deal_from_active_to_cancelled()
{
var id = Guid.NewGuid();
//Arrange
var deal = FakeDeals().FirstOrDefault();
deal.Id = id;
deal.DealStatus = DealStatus.Active;
_dealRepository.Setup(x => x.CancelDeal(It.IsAny <Guid>())).ReturnsAsync(deal);
//Act
var result = await sut.CancelConfirmed(id);
//Assert
var redirectToActionResult = Assert.IsType <RedirectToActionResult>(result);
_dealRepository.Verify(x => x.CancelDeal(It.IsAny <Guid>()), Times.Once);
Assert.Null(redirectToActionResult.ControllerName);
Assert.Equal("Index", redirectToActionResult.ActionName);
}
