Summary:
A camel with a player can`t step up 1.5 block (can only step up 1 block). Without a player, he can step up 1.5 blocks. This does not correspond to Java.

Steps to reproduce:

1. Build an obstacle of 1.5 blocks.
2. Summon a camel, put a saddle on him and sit on him.
3. Try to drive it through the obstacle.

Observed results:
A camel controlled by the player cannot step up 1.5 blocks.

Expected results:
A camel controlled by the player can step up 1.5 blocks.