public void GetRandomArticlesTest()
        {
            ArticleContext articles = new ArticleContext();

            var arts       = articles.GetRandomArticles(1);
            var artsNoArts = articles.GetRandomArticles(1234);

            Assert.IsTrue(arts.Count == 5);
            Assert.IsFalse(arts.Select(a => a.ArticleId).Contains(1));

            Assert.IsTrue(artsNoArts.Count == 5);
        }