Hearthstone gameplay - Warlock Zoo vs Mech Mage vs Face Hunter - Which one is fastest?

Hearthstone gameplay - Warlock Zoo vs Mech Mage vs Face Hunter - Which one is fastest?

Comparing the three most commonly used aggro decks in the meta right now... warlock zoo vs mech mage vs face hunter... on average on which turn do they win if all they do is hit face vs the innkeeper?