Avoid race condition in `capture_io` "device re-registering" test
Avoid race condition in `capture_io` "device re-registering" test

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