1 files changed, 9 insertions, 0 deletions
diff --git a/src/com/itmill/toolkit/data/Validator.java b/src/com/itmill/toolkit/data/Validator.java
index b56186bf69..e2cb3b31f9 100644
--- a/src/com/itmill/toolkit/data/Validator.java
+++ b/src/com/itmill/toolkit/data/Validator.java
@@ -162,5 +162,14 @@ public interface Validator {
         public void requestRepaintRequests() {
         }
 
+        public String getTestingIdentifier() {
+            return null;
+        }
+
+        public void setTestingIdentifier(String id) {
+            throw new UnsupportedOperationException(
+                    "Setting testing id for this Paintable is not implemented");
+        }
+
     }
 }