rem: self.fail('Did not find expected message in error message: ' + f.err.message); 
add: self.fail('Did not find expected message in error message: ' + f.error.message); 
context:             function(f) {                var idx = f.error.message.indexOf(s);                if (idx == -1) {                    self.fail('Did not find expected message in error message: ' + f.err.message);                }            });
meta: 1565	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1565/db4f42ada26de9c0af868966e67822f9d98a545f/livetest.js/clean/nevow/test/livetest.js