public void ContactsGetPublicListTest()
        {
            ContactCollection contacts = AuthInstance.ContactsGetPublicList(Data.UserId);

            Assert.IsNotNull(contacts, "Contacts should not be null.");

            Assert.AreNotEqual(0, contacts.Total, "Total should not be zero.");
            Assert.AreNotEqual(0, contacts.PerPage, "PerPage should not be zero.");
        }