Make all exports explicit

tests/Test/StarWars/Data.hs

@@ -1,5 +1,21 @@
 {-# LANGUAGE OverloadedStrings #-}
-module Test.StarWars.Data where
+module Test.StarWars.Data
+    ( Character
+    , appearsIn
+    , artoo
+    , getDroid
+    , getDroid'
+    , getEpisode
+    , getFriends
+    , getHero
+    , getHeroIO
+    , getHuman
+    , id_
+    , homePlanet
+    , name
+    , secretBackstory
+    , typeName
+    ) where
 
 import Data.Monoid (mempty)
 import Control.Applicative ( Alternative(..)

tests/Test/StarWars/Schema.hs

@@ -1,6 +1,12 @@
 {-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE OverloadedStrings #-}
-module Test.StarWars.Schema where
+module Test.StarWars.Schema
+    ( character
+    , droid
+    , hero
+    , human
+    , schema
+    ) where
 
 import Control.Monad.Trans.Except (throwE)
 import Control.Monad.Trans.Class (lift)