public void IsAlreadyAFriend_IsAFriend_ReturnsTrue() { //Arrange Contact friend = new Contact() { ContactId = 2, Username = "******", FirstName = "Test", LastName = "Certified", Address1 = "345 Monmouth St.", Email = "*****@*****.**", City = "Testville", PhoneNumber = "9028472819", State = "Test", ZipCode = "902843" }; var friendList = new List <Friend>(); friendList.Add(new Friend { FriendID = 1, ContactID = 3, FriendContactID = 2 }); friendList.Add(new Friend { FriendID = 2, ContactID = 3, FriendContactID = 4 }); friendList.Add(new Friend { FriendID = 3, ContactID = 4, FriendContactID = 5 }); //Act var isAlreadyAFriend = _sut.IsAlreadyAFriend(3, friend, friendList); //Assert Assert.AreEqual(isAlreadyAFriend, true); }