public void GetDataTest()
{
string data = WebParser.GetInstance().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();
}