public static async Task <(Taxi Taxi, int ID)> AddDummyTaxiAsync(this TaxiDataContext DbContext)
        {
            var newTaxi = new Taxi {
                LicensePlate = Guid.NewGuid().ToString()
            };
            var newTaxiID = await DbContext.AddTaxiAsync(newTaxi);

            return(newTaxi, newTaxiID);
        }