private static void PerformInspection()
        {
            bool reservationExists = false;

            WriteLine("Registreringsnummer: ");
            string registrationNumber = ReadLine();

            using FordonsBesiktningContext context = new FordonsBesiktningContext();


            var correctReservation = context.Reservations.Where(r => r.RegistrationNumber == registrationNumber);


            foreach (var reservation in correctReservation)
            {
                if (reservation.RegistrationNumber == registrationNumber)
                {
                    reservationExists = true;
                }
            }

            if (reservationExists)
            {
                bool incorrectKey = true;

                Console.WriteLine("Fordonet godkänt? (J)a eller (N)ej");

                ConsoleKeyInfo inputKey;
                do
                {
                    inputKey = ReadKey(true);

                    incorrectKey = !(inputKey.Key == ConsoleKey.J || inputKey.Key == ConsoleKey.N);
                } while (incorrectKey);

                Inspection inspection = new Inspection(registrationNumber);


                if (inputKey.Key == ConsoleKey.J)
                {
                    inspection.Pass();


                    context.Inspections.Add(inspection);

                    WriteLine("Inspektion godkänd");
                    Thread.Sleep(1000);
                    context.SaveChanges();
                }

                if (inputKey.Key == ConsoleKey.N)
                {
                    inspection.Fail();


                    context.Inspections.Add(inspection);

                    WriteLine("Inspektion Ej godkänd");
                    Thread.Sleep(1000);
                    context.SaveChanges();
                }
            }
            else
            {
                Console.WriteLine("Reservation saknas");
                Thread.Sleep(1000);
            }
        }