From bdd4aa16433a57e4d7bb8980f9e8619d43785b0e Mon Sep 17 00:00:00 2001
From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Sun, 3 Dec 2017 19:57:15 +0100
Subject: gnu: ghc-comonad: Run tests.

* gnu/packages/haskell.scm (ghc-comonad)[arguments]: Delete to enable tests.
[native-inputs]: Add ghc-doctest.
---
 gnu/packages/haskell.scm | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gnu/packages/haskell.scm b/gnu/packages/haskell.scm
index cd0edbe229..66ccbae7f4 100644
--- a/gnu/packages/haskell.scm
+++ b/gnu/packages/haskell.scm
@@ -2362,8 +2362,8 @@ (define-public ghc-comonad
         (base32
          "0arvbaxgkawzdp38hh53akkahjg2aa3kj2b4ns0ni8a5ylg2cqmp"))))
     (build-system haskell-build-system)
-    (arguments `(#:tests? #f)) ; FIXME: Test fails with "cannot satisfy
-                               ; -package contravariant-1.3.3"
+    (native-inputs
+     `(("ghc-doctest" ,ghc-doctest)))
     (inputs
      `(("ghc-contravariant" ,ghc-contravariant)
        ("ghc-distributive" ,ghc-distributive)
-- 
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