Fix race condition yield_many test
Fix race condition yield_many test

beedub/elixir,kelvinst/elixir,gfvcastro/elixir,pedrosnk/elixir,antipax/elixir,ggcampinho/elixir,kimshrier/elixir,joshprice/elixir,lexmag/elixir,lexmag/elixir,beedub/elixir,pedrosnk/elixir,antipax/elixir,kelvinst/elixir,gfvcastro/elixir,ggcampinho/elixir,michalmuskala/elixir,kimshrier/elixir,elixir-lang/elixir