diff -r a9187d4aaa6b -r 59d5596a9c6c vm/src/test/java/org/apidesign/vm4brwsr/TestUtils.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/TestUtils.java	Sun Feb 10 19:33:35 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,60 +0,0 @@
-/**
- * Back 2 Browser Bytecode Translator
- * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. Look for COPYING file in the top folder.
- * If not, see http://opensource.org/licenses/GPL-2.0.
- */
-package org.apidesign.vm4brwsr;
-
-import javax.script.Invocable;
-import javax.script.ScriptException;
-import static org.testng.Assert.*;
-
-class TestUtils {
-
-    static Object execCode(Invocable code, CharSequence codeSeq,
-        String msg, Class<?> clazz, String method, Object expRes, Object... args) 
-            throws Exception
-    {
-        Object ret = null;
-        try {
-            ret = code.invokeFunction("bck2brwsr");
-            ret = code.invokeMethod(ret, "loadClass", clazz.getName());
-            ret = code.invokeMethod(ret, method, args);
-        } catch (ScriptException ex) {
-            fail("Execution failed in " + StaticMethodTest.dumpJS(codeSeq), ex);
-        } catch (NoSuchMethodException ex) {
-            fail("Cannot find method in " + StaticMethodTest.dumpJS(codeSeq), ex);
-        }
-        if (ret == null && expRes == null) {
-            return null;
-        }
-        if (expRes.equals(ret)) {
-            return null;
-        }
-        if (expRes instanceof Number) {
-            // in case of Long it is necessary convert it to number
-            // since the Long is represented by two numbers in JavaScript
-            try {
-                ret = code.invokeMethod(ret, "toFP");
-                ret = code.invokeFunction("Number", ret);
-            } catch (ScriptException ex) {
-                fail("Conversion to number failed in " + StaticMethodTest.dumpJS(codeSeq), ex);
-            } catch (NoSuchMethodException ex) {
-                fail("Cannot find global Number(x) function in " + StaticMethodTest.dumpJS(codeSeq), ex);
-            }
-        }
-        return ret;
-    }
-}