public void LiveActivityAddContactsMultipartTest() { var cc = new ConstantContact(ApiKey, AccessToken); var filename = "add_contacts.txt"; var content = Encoding.UTF8.GetBytes(String.Format("{0}@example.com", Guid.NewGuid())); var lists = new List<string>() { "1" }; Activity activity = cc.AddContactsMultipartActivity(filename, content, lists); Assert.IsNotNull(activity); Assert.IsNotNull(activity.Id); Assert.AreEqual(activity.ContactCount, 1); Assert.AreEqual(activity.Type, "ADD_CONTACTS"); }