Improve IO.ANSI test case so it can be run on non-terminals correctly
Improve IO.ANSI test case so it can be run on non-terminals correctly

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