Improve test coverage for implicit protocol deriving
Improve test coverage for implicit protocol deriving

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