public async void CallDeleteEventModelWithAValidModel() { var result = await sut.DeleteConfirmed(It.IsAny <int>()); fixture.repositoryWrapper.Verify(x => x.Sale.DeleteSale(It.IsAny <Sale>()), Times.Once); fixture.repositoryWrapper.Verify(y => y.SaveAsync(), Times.Once); Assert.IsAssignableFrom <RedirectToActionResult>(result); }