public void Add_NewConferences_DbRowCreatedWithNewId()
        {
            // arrange
            var conference = new Conference()
            {
                Description = "test",
                Name        = "name test"
            };

            // act
            conferenceRepository.Add(conference);

            // assert
            var createdConference = conferenceRepository.Get().Single();

            Assert.Equal(1, createdConference.IdConference);
        }