diff -r a20721a10717 -r f36b3c273de6 vm/src/test/java/org/apidesign/vm4brwsr/CompareVMs.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/CompareVMs.java	Mon Dec 10 12:03:22 2012 +0100
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/CompareVMs.java	Wed Dec 12 09:09:42 2012 +0100
@@ -21,6 +21,7 @@
 import java.util.Map;
 import java.util.WeakHashMap;
 import javax.script.Invocable;
+import javax.script.ScriptContext;
 import javax.script.ScriptEngine;
 import javax.script.ScriptEngineManager;
 import org.testng.Assert;
@@ -104,26 +105,17 @@
                 return;
             }
             StringBuilder sb = new StringBuilder();
-            class SkipMe extends GenJS {
-
-                public SkipMe(Appendable out) {
-                    super(out);
-                }
-
-                @Override
-                protected boolean requireReference(String cn) {
-                    if (cn.contains("CompareVMs")) {
-                        return true;
-                    }
-                    return super.requireReference(cn);
-                }
-            }
-            SkipMe sm = new SkipMe(sb);
-            sm.doCompile(CompareVMs.class.getClassLoader(), StringArray.asList(
-                clazz.getName().replace('.', '/')));
+            Bck2Brwsr.generate(sb, CompareVMs.class.getClassLoader());
 
             ScriptEngineManager sem = new ScriptEngineManager();
             ScriptEngine js = sem.getEngineByExtension("js");
+            js.getContext().setAttribute("loader", new BytesLoader(), ScriptContext.ENGINE_SCOPE);
+            
+            sb.append("\nfunction initVM() {"
+                + "\n  return bck2brwsr("
+                + "\n    function(name) { return loader.get(name);}"
+                + "\n  );"
+                + "\n};");
 
             Object res = js.eval(sb.toString());
             Assert.assertTrue(js instanceof Invocable, "It is invocable object: " + res);
@@ -136,7 +128,8 @@
             if (js) {
                 try {
                     compileTheCode(m.getDeclaringClass());
-                    Object inst = code.invokeFunction(m.getDeclaringClass().getName().replace('.', '_'), false);
+                    Object vm = code.invokeFunction("initVM");
+                    Object inst = code.invokeMethod(vm, "loadClass", m.getDeclaringClass().getName());
                     value = code.invokeMethod(inst, m.getName() + "__" + computeSignature(m));
                 } catch (Exception ex) {
                     throw new AssertionError(StaticMethodTest.dumpJS(codeSeq)).initCause(ex);