fix(trace-reporter): fixing retry on status code 409

Author: David Kiss

lib/reporters/trace.js

@@ -67,16 +67,13 @@ TraceReporter.prototype.getService = function(callback) {
       } catch (ex) {
         return callback(ex);
       }
-      return callback(null, res);
-    });
-  })
-    .on('error', function (err) {
-      if (err.status === 409) {
+      if (res.statusCode === 409) {
         return _this.getService(callback);
-      } else {
-        return callback(err);
       }
+      return callback(null, res);
     });
+  })
+    .on('error', callback);
 
   req.write(JSON.stringify({
     name: _this.appName