Update erlang test helper
Update erlang test helper

pedrosnk/elixir,ggcampinho/elixir,pedrosnk/elixir,ggcampinho/elixir,kimshrier/elixir,kelvinst/elixir,elixir-lang/elixir,kelvinst/elixir,michalmuskala/elixir,joshprice/elixir,kimshrier/elixir