public void Arrange()
        {
            _repo    = new Developer_Repository();
            _content = new Developer("Daniele Thomas", 112, true, 3);

            _repo.AddDevlopersToList(_content);
        }
        public void AddToList_ShouldGetNotNull()
        {   //Arrange
            Developer content = new Developer();

            content.FullName = "Daniele Thomas";
            Developer_Repository repository = new Developer_Repository();

            //Act
            repository.AddDevlopersToList(content);
            Developer contentFromDirectory = repository.GetDeveloperByDeveloperName("Daniele Thomas");

            //Assert
            Assert.IsNotNull(contentFromDirectory);
        }