Fix tests after phantomas v1.13

lib/tools/phantomas/phantomasWrapper.js

@@ -115,6 +115,7 @@ var PhantomasWrapper = function() {
 
         async.retry(triesNumber, function(cb) {
             var process = phantomas(task.url, options, function(err, json, results) {
+                var errorCode = err ? parseInt(err.message, 10) : null;
                 
                 if (isKilled) {
                     debug('Process was killed, too late Phantomas, sorry...');
@@ -122,28 +123,28 @@ var PhantomasWrapper = function() {
                 }
 
 
-                debug('Returning from Phantomas with error %s', err);
+                debug('Returning from Phantomas with error %s', errorCode);
 
                 // Adding some YellowLabTools errors here
                 if (json && json.metrics && (!json.metrics.javascriptExecutionTree || !json.offenders.javascriptExecutionTree)) {
-                    err = 1001;
+                    errorCode = 1001;
                 }
 
-                if (!err && (!json || !json.metrics)) {
-                    err = 1002;
+                if (!errorCode && (!json || !json.metrics)) {
+                    errorCode = 1002;
                 }
 
                 // Don't cancel test if it is a timeout and we've got some results
-                if (err === 252 && json) {
+                if (errorCode === 252 && json) {
                     debug('Timeout after ' + options.timeout + ' seconds. But it\'s not a problem, the test is valid.');
-                    err = null;
+                    errorCode = null;
                 }
 
-                if (err) {
-                    debug('Attempt failed. Error code ' + err);
+                if (errorCode) {
+                    debug('Attempt failed. Error code ' + errorCode);
                 }
 
-                cb(err, json);
+                cb(errorCode, json);
             });
             
             phantomasPid = process.pid;