disable hitlertest

test/doctest.hs

@@ -7,11 +7,4 @@ import System.IO (stderr, hPutStrLn)
 
 
 main :: IO ()
-main = do
-  nix <- maybe False null <$> lookupEnv "GYEHOEK_IN_NIX_BUILD"
-  if nix then do
-    hPutStrLn stderr "\
-     \skipping doctests in Nix build environment. \
-     \see https://github.com/pcapriotti/optparse-applicative/pull/408."
-  else
-    mainFromCabal "gyehoek" =<< getArgs
+main = mainFromCabal "gyehoek" =<< getArgs