diff -r 5efe49aeaf99 -r a6bacea2518f rt/vm/src/test/java/org/apidesign/vm4brwsr/TestVM.java
--- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/TestVM.java	Tue Mar 12 13:01:34 2013 +0100
+++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/TestVM.java	Thu Apr 25 16:17:48 2013 +0200
@@ -166,5 +166,10 @@
             }
             return u.openStream();
         }
+
+        @Override
+        public String getModule(String resource) throws IOException {
+            return null;
+        }
     }
 }