diff --git a/test/test262/harness-adapt.js b/test/test262/harness-adapt.js
index 52b5de7..60c0858 100644
--- a/test/test262/harness-adapt.js
+++ b/test/test262/harness-adapt.js
@@ -80,3 +80,12 @@
     registerTest: registerTest
   }
 })();
+
+function $DONE(arg){
+    if (arg) {
+        print('FAILED! Error: ' + arg);
+        quit(1);
+    }
+
+    quit(0);
+};