User admin = getAdminUser();
User temp = new User("temp1", "temp1", "temp1", "temp@nhn.com", Role.USER);
userController.save(admin, temp, model);
temp = new User("temp2", "temp2", "temp2", "temp@nhn.com", Role.USER);
userController.save(admin, temp, model);
model.clear();
currUser.setFollowersStr("temp1, temp2");
userController.save(currUser, currUser, model);
userController.getOne(currUser.getUserId(), model);
user = (User) model.get("user");
assertThat(user.getFollowers().size(), is(2));