diff -r d382dacfd73f -r b410524f4712 rt/vm/src/test/java/org/apidesign/vm4brwsr/TestVM.java
--- a/rt/vm/src/test/java/org/apidesign/vm4brwsr/TestVM.java	Tue Feb 26 16:54:16 2013 +0100
+++ b/rt/vm/src/test/java/org/apidesign/vm4brwsr/TestVM.java	Wed Feb 27 17:37:18 2013 +0100
@@ -51,7 +51,7 @@
             ret = code.invokeMethod(bck2brwsr, "loadClass", clazz.getName());
             ret = code.invokeMethod(ret, method, args);
         } catch (ScriptException ex) {
-            fail("Execution failed in " + dumpJS(codeSeq), ex);
+            fail("Execution failed in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex);
         } catch (NoSuchMethodException ex) {
             fail("Cannot find method in " + dumpJS(codeSeq), ex);
         }