Avoid unix specific calls in tests
Avoid unix specific calls in tests

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