public void GetDataTest()
        {
            string data = new WebParser().GetData("https://petrathecat.github.io/smth");

            string rightDataBegin = "<html lang=\"ru\"><head>";

            string vitalPart = "https://youtu.be/dQw4w9WgXcQ";

            Assert.IsTrue(data.Contains(rightDataBegin));

            Assert.IsTrue(data.Contains(vitalPart));

            Assert.Pass();
        }