My take:
Orc - warrior
Tauren - Druid
Undead - warlock
Troll - Hunter
Blood Elf - mage
Goblin - rogue
High Mountain Tauren - Hunter
Nightborne - Mage
Maghar Orc - Shaman
Zandalair Troll - Paladin
Vulpera - deleted
Pandaren - Monk
Human - Paladin
Dwarf - Warrior
Gnome - Mage
Night Elf - Druid
Draeni - Priest
Worgan - Rogue
Void Elf - Warlock
Lightforged Draeni - Paladin
Dark Iron Dwarf - Shaman
Kultiran - Shaman (Tidesage)
Mechagnome - pretend doesn’t exist.