Add a tricky pattern example for assert_receive
Add a tricky pattern example for assert_receive

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