public void SetUp()
        {
            _invoice = new Invoice()
            {
                Id        = 1,
                IsOverdue = false
            };

            _mocker = new AutoMoqer();

            _writer = _mocker.Create <InvoiceWriter>();
        }
        public InvoiceWriterTests()
        {
            _invoice = new Invoice()
            {
                Id        = 1,
                IsOverdue = false
            };

            _mocker = new AutoMocker();

            _writer = _mocker.CreateInstance <InvoiceWriter>();
        }