-import Prelude hiding (LT)
-import Test.HUnit (Assertion)
-import Test.Framework (Test, testGroup)
-import Test.Framework.Providers.HUnit (testCase)
-import Test.Framework.Providers.QuickCheck2 (testProperty)
-import Test.QuickCheck (Arbitrary(..), choose)
+import Prelude hiding ( LT )
+import Test.Tasty ( TestTree, testGroup )
+import Test.Tasty.HUnit ( Assertion, testCase )
+import Test.Tasty.QuickCheck ( Arbitrary(..), choose, testProperty )