public void Can_Retrieve_Saved_Expense_From_Database() { using (var repo = new ExpenseRepository(_context)) { _context.Staffs.Add(sampleEmployee); _context.SaveChanges(); Expense staffExpense = new Expense ( "Unitest_Expenses", 30000, sampleEmployee.Id ); repo.Create(staffExpense); Expense savedExpense = repo.GetExpense(_context.Expenses.Single().Id); Assert.AreEqual("Unitest_Expenses", savedExpense.Description); } }