UserResult userUnFriend(User user, User user2) {
    if (user == NULL || user2 == NULL) {
        return USER_NULL;
    }
//  Set friends = user->friends;
//  Set friends2 = user2->friends;
    if (setRemove(user->friends, &user2->iD) != SET_SUCCESS) {
        return USER_BAD_ARGUMENT;
    }
    if (setRemove(user2->friends,&user->iD) != SET_SUCCESS) {
        return USER_BAD_ARGUMENT;
    }
    return USER_SUCCESS;
}





bool testUserUnFriend() {
    char* name = "Omri Cohen";
    char* name2 = "friend";
    User user1 = userCreate(1000, 1988, name);
    User user2 = userCreate(2000, 1999, name2);
    int getIdUser2;
    userGetId(user2, &getIdUser2);
    ASSERT_TEST(userAddFriend(user1,getIdUser2)==USER_SUCCESS);
    ASSERT_TEST(userUnFriend(user2,user1)==USER_SUCCESS);
    Set getFriends=userGetFriends(user1);
    ASSERT_TEST(setGetSize(getFriends)==0);
    setDestroy(getFriends);
    userDestroy(user1);
    userDestroy(user2);
    return true;
}