1 files changed, 2 insertions, 0 deletions
diff --git a/test/files/run/collections.scala b/test/files/run/collections.scala
index 5e97b2df38..6717b524bb 100755
--- a/test/files/run/collections.scala
+++ b/test/files/run/collections.scala
@@ -96,5 +96,7 @@ object Test extends Application {
   test("immutable.ListMap", new immutable.ListMap[int, int])
   test("immutable.TreeMap", new immutable.TreeMap[int, int])
   test("immutable.UnBalancedTreeMap", new immutable.UnbalancedTreeMap[int, int])
+  test("immutable.HashTreeSet", new immutable.HashTreeSet[int])
+  test("immutable.HashTreeMap", new immutable.HashTreeMap[int, int])
   test("mutable.HashMap", new mutable.HashMap[int, int])
 }