function test_updateUser2_Id()
{
//Arrange
$user1_id = 1;
$user2_id = 2;
$user1_confirm = 1;
$user2_confirm = 1;
$location_id = 1;
$confirm_meet_usr1 = 1;
$confirm_meet_usr2 = 0;
$id = 1;
$test_meetup = new Meetup($user1_id, $user2_id, $user1_confirm, $user2_confirm, $location_id, $confirm_meet_usr1, $confirm_meet_usr2, $id);
$test_meetup->save();
$new_user2_id = 2;
//Act
$test_meetup->updateUser2_Id($new_user2_id);
//Assert
$this->assertEquals($test_meetup->getuser2_id(), $new_user2_id);
}