diff --git a/tests/Layer/test_Vector.html b/tests/Layer/test_Vector.html
index 28c89ff53c..c368c14f9c 100644
--- a/tests/Layer/test_Vector.html
+++ b/tests/Layer/test_Vector.html
@@ -119,7 +119,8 @@
         layer.renderer = {
             eraseFeatures: function(features) {
                 f = features[0];
-            }
+            },
+            destroy: function() { }
         };
 
         layer.eraseFeatures([feature]);