public async Task UpdatePaymentTypeAsync_Successfully_Updated()
        {
            //Arrange
            var id      = 2;
            var service = new PaymentTypeService(_myRestaurantContext);

            //Act
            var dbPaymentType = await service.GetPaymentTypeAsync(d => d.Id == id);

            dbPaymentType !.Name       = "Credit";
            dbPaymentType.CreditPeriod = 45;

            await service.UpdatePaymentTypeAsync(dbPaymentType);

            var result = await service.GetPaymentTypeAsync(d => d.Id == id);

            //Assert
            result.Should().BeAssignableTo <PaymentType>();
            result !.Id.Should().Be(id);
            result.Name.Should().Be("Credit");
            result.CreditPeriod.Should().Be(45);
        }