Added tests for recommended_because.
Added tests for recommended_because.

echogreens/crab,muricoca/crab,hi2srihari/crab,augustoppimenta/crab,Flowerowl/Crab,Lawrence-Liu/crab,imouren/crab,muricoca/crab,wnyc/crab,rcarmo/crab,wnyc/crab