@Test
 public void testConsole() throws Exception {
   HashMap<String, Object> ctx = new HashMap<String, Object>();
   ScriptRunner runner = new ScriptRunner(".", ctx);
   runner.require("src/main/javascript/util/io.js");
   runner.require("src/main/javascript/util/io-unit-test.js");
 }
 @Test
 public void testScriptRunner() throws Exception {
   HashMap<String, Object> ctx = new HashMap<String, Object>();
   ctx.put("hello", "Hello");
   ScriptRunner runner = new ScriptRunner(".", ctx);
   runner.require("src/main/javascript/util/io.js");
   runner.eval("print('ctx hello = ' +  hello + '\\n')");
   runner.eval("print('ctx hello = ' +  JSON.stringify({name: 'Tuan'}))");
 }