Add tests to nested expressions
Add tests to nested expressions

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