1 files changed, 1 insertions, 1 deletions
diff --git a/src/test/scala/examples/VendingMachineUtils.scala b/src/test/scala/examples/VendingMachineUtils.scala
index 131256f8..6847768a 100644
--- a/src/test/scala/examples/VendingMachineUtils.scala
+++ b/src/test/scala/examples/VendingMachineUtils.scala
@@ -34,6 +34,6 @@ object VendingMachineUtils {
         value += incValue
       }
     }
-    outputs
+    outputs.toSeq
   }
 }