public void Edit_Passes_Correct_Expense_To_View()
        {
            var expenseId       = 42;
            var expectedExpense = new Expense();

            expenseRepo.GetById(expenseId).Returns(expectedExpense);

            var result = underTest.Edit(expenseId);
            var model  = ((ViewResult)result).Model;

            Assert.Same(expectedExpense, model);
        }