public void GetFonds()
        {
            var stocks1 = _portfolioService.GetFonds(10, 1).Count();
            var stocks2 = _portfolioService.GetFonds(11, 1).Count();
            var stocks3 = _portfolioService.GetFonds(12, 2).Count();

            var stocks4 = _portfolioService.GetFonds(12, 1).Count();

            Assert.AreEqual(1, stocks1);
            Assert.AreEqual(0, stocks2);
            Assert.AreEqual(0, stocks3);
            Assert.AreEqual(0, stocks4);
        }