diff -r eb97a082741b -r 4156b1bd4b82 rt/vm/src/test/java/org/apidesign/vm4brwsr/Classes.java
--- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/Classes.java	Wed Jun 25 22:50:33 2014 +0200
+++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/Classes.java	Wed Jun 25 23:43:51 2014 +0200
@@ -121,10 +121,14 @@
         return sb.toString().toString();
     }
 
-    static String listObject() {
+    static String listObject(boolean string, String prefix) {
+        final Class<?> c = string ? String.class : Object.class;
         StringBuilder sb = new StringBuilder();
-        for (Method m : Object.class.getMethods()) {
-            sb.append(m.getName()).append("\n");
+        for (Method m : c.getMethods()) {
+            final String n = m.getName();
+            if (n.startsWith(prefix)) {
+                sb.append(n).append("\n");
+            }
         }
         return sb.toString().toString();
     }