public void ClientListSerializationCountXMLTest()
{
List <Client> clients = new List <Client>
{
new Client("Tadeusz", "Nowak", " Red Street 453", "Lodz", 2005),
new Client("Adrain", "Kowalski", "Random Street 23", "Breslau", 1964),
new Client("Konrad", "Starski", "Sweet Street 567", "Hong Kong", 1874),
new Client("Stefan", "Jura", "Honey Street 31", "Radom", 2100)
};
XMLConverter xmlc = new XMLConverter();
xmlc.writeClientsList(clients, "clients.txt");
List <Client> deClients = xmlc.readClientsList("clients.txt");
Assert.AreEqual(clients.Count, deClients.Count);
}