Bump HUnit

Author: achudnov

language-ecmascript.cabal

@@ -86,7 +86,7 @@ Test-Suite test
     containers == 0.*,
     directory >= 1.2 && < 1.4,
     filepath >= 1.3 && < 1.5,
-    HUnit >= 1.2 && < 1.6,
+    HUnit >= 1.2 && < 1.7,
     QuickCheck >= 2.5 && < 3,
     data-default-class >= 0.0.1 && < 0.2,
     test-framework >= 0.8 && < 0.9,