public void AddExpenseTest() { var expectedExpense = GetNewMockExpense(collaborator.CollaboratorId, expenseStory.ExpenseStoryId); expenseManager.AddExpense(expectedExpense); var acutalExpense = dataContext.Expense.FirstOrDefault(x => x.ExpenseId == expectedExpense.ExpenseId); Assert.IsNotNull(acutalExpense); Assert.AreEqual(expectedExpense.GetHashCode(), acutalExpense.GetHashCode()); }