removing warnings from spec.

test/MonadSpec.hs

@@ -6,18 +6,15 @@ import Dir
 import TestUtils
 import Control.Applicative
 import Control.Monad.Error.Class
-import Language.Haskell.GhcMod.Types
-import Language.Haskell.GhcMod.Monad
-import Language.Haskell.GhcMod.Find
 
 spec :: Spec
 spec = do
     describe "When using GhcModT in a do block" $
         it "a pattern match failure causes a call to `fail` on ErrorT in the monad stack" $ do
-             (a, w)
+             (a, _)
                  <- runGhcModT defaultOptions $
                        do
-                         Just a <- return Nothing
+                         Just _ <- return Nothing
                          return "hello"
                      `catchError` (const $ fail "oh noes")
              a `shouldBe` (Left $ GMEString "oh noes")