1 files changed, 4 insertions, 0 deletions
diff --git a/addons/web/static/tests/helpers/mock_server.js b/addons/web/static/tests/helpers/mock_server.js
index 92c051c84bd..a26d62b436f 100644
--- a/addons/web/static/tests/helpers/mock_server.js
+++ b/addons/web/static/tests/helpers/mock_server.js
@@ -775,10 +775,14 @@ var MockServer = Class.extend({
         var offset = args.offset ? Number(args.offset) : 0;
         var field = args.field ? args.field : 'sequence';
         var records = this.data[args.model].records;
+        if (!(field in this.data[args.model].fields)) {
+            return false;
+        }
         for (var i in args.ids) {
             var record = _.findWhere(records, {id: args.ids[i]});
             record[field] = Number(i) + offset;
         }
+        return true;
     },
     /**
      * Simulate a 'search_count' operation