public async Task CreateTest()
        {
            //Arrange
            var producer = new Producer {
                Id = 1
            };

            using (var context = new AppDbContext(options))
            {
                var repo = new ProducerRepository(context);

                //Act
                await repo.Create(producer);

                var expectedResult = 1;
                //Assert
                Assert.AreEqual(expectedResult, context.Producers.Local.Count());
            }
        }