public void Get_All()
{
List <Advertisement> _listAds = _advertisementGenerator.GenerateAds(10);
var mockAd = GetMockAd();
mockAd.Setup(x => x.Get()).Returns(_listAds);
var adController = new AdvertisementController(mockAd.Object);
List <Advertisement> _newAds = adController.Get().ToList();
Assert.Equal(_listAds.Count, _newAds.Count);
Assert.Equal(_listAds[3], _newAds[3]);
Assert.Equal(_listAds[5], _newAds[5]);
}