public void GetByNameElements_Success()
{
var dic = new SynchronizedDictionary<int, string, string>();
dic.Add(1, "Иванов", "value_1");
dic.Add(2, "Иванов", "value_2");
dic.Add(5, "Иванов", "value_3");
dic.Add(5, "Петров", "value_4");
var elementsByName = dic.GetByName("Иванов");
Assert.AreEqual(3, elementsByName.Count);
}