hangs on a verbose check on nix

src/HushGP/PushTests/IntTests.hs

@@ -4,11 +4,14 @@ import HushGP.State
 import HushGP.Instructions.IntInstructions
 -- import HushGP.PushTests.GenericTests
 import Control.Lens hiding (uncons)
+import System.Environment
 import Test.Tasty
 import Test.Tasty.QuickCheck as QC
 
 main :: IO ()
-main = defaultMain intTests
+main = do
+  setEnv "TASTY_QUICKCHECK_VERBOSE" "False"
+  defaultMain intTests
 
 -- |Holds the tree for property and unit tests.
 intTests :: TestTree