Level 2 effects that don't exist with unlimited time
*What I expected to happen was...:*
Potions that don't have level 2 parts should not be able to get.
*What actually happened was...:*
I got Level 2 potions that don't exist
*Steps to Reproduce:*
1. DO /effect (player) 16 8000 1
2. You have Night Vision II with unlimited time
Also affects 1.10.1