diff -r 033d51e026b0 -r 45184b2f9697 vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java
--- a/vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java	Tue Oct 23 16:50:27 2012 +0200
+++ b/vm/src/test/java/org/apidesign/vm4brwsr/StringSample.java	Thu Nov 08 18:34:12 2012 +0100
@@ -54,7 +54,7 @@
     }
     
     public static String concatStrings() {
-        return (toStringTest(1) + "Ahoj").toString();
+        return (toStringTest(1) + "\\\n\r\t").toString();
     }
 
     @Override