[tests] add missing extension related to previous commit

This commit is contained in:
Vincent Hanquez 2015-06-01 05:58:43 +01:00
parent df5ed2a4e9
commit 1634c6bbb5

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@ -1,3 +1,4 @@
{-# LANGUAGE ExistentialQuantification #-}
module Utils where
import Control.Applicative