Add directory dependency for the tests

hnix.cabal

@@ -2,7 +2,7 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: b04b1cb6b8d8f2cbb85b7de0ab313e31b2c8e74120b41f5930894323ae11da2e
+-- hash: eed66122f2daeb0845bd275988ae03be47bacd6cf6c52192042ce2e08df1a13b
 
 name:           hnix
 version:        0.5.0
@@ -137,6 +137,7 @@ test-suite hnix-tests
     , containers
     , data-fix
     , deepseq
+    , directory
     , exceptions
     , filepath
     , hnix

package.yaml

@@ -72,6 +72,7 @@ tests:
     dependencies:
       - hnix
       - Glob
+      - directory
       - filepath
       - interpolate
       - process

tests/EvalTests.hs

@@ -6,18 +6,18 @@
 
 module EvalTests (tests, genEvalCompareTests) where
 
-import Data.String.Interpolate.IsString
-import Data.Text (Text)
-import Nix
-import Nix.Expr
-import Nix.Parser
-import Nix.Value
+import           Data.String.Interpolate.IsString
+import           Data.Text (Text)
+import           Nix
+import           Nix.Expr
+import           Nix.Parser
+import           Nix.Value
 import qualified System.Directory as D
-import System.FilePath
-import Test.Tasty
-import Test.Tasty.HUnit
-import Test.Tasty.TH
-import TestCommon
+import           System.FilePath
+import           Test.Tasty
+import           Test.Tasty.HUnit
+import           Test.Tasty.TH
+import           TestCommon
 
 case_basic_sum =
     constantEqualText "2" "1 + 1"