diff --git a/tests/Layer/test_Vector.html b/tests/Layer/test_Vector.html
index 87bc441a94..d7593b560f 100644
--- a/tests/Layer/test_Vector.html
+++ b/tests/Layer/test_Vector.html
@@ -79,7 +79,8 @@
                 f = feature;
                 s = style;
             },
-            destroy: function() { }
+            destroy: function() { },
+            eraseFeatures: function() {}
         };