Fix specs

.eslintrc.json

@@ -14,6 +14,7 @@
   "rules": {
     "camelcase": "off",
     "no-mixed-operators": "off",
-    "no-useless-escape": "off"
+    "no-useless-escape": "off",
+    "prefer-promise-reject-errors": "off"
   }
 }

lib/assets/test/spec/builder/data/widget-definitions-collection.spec.js

@@ -236,14 +236,16 @@ describe('data/widget-definitions-collection', function () {
     var successResponse = { response: 'success' };
     var errorResponse = { response: 'error' };
 
+    var syncFn = function (method, collection, callbacks) {
+      if (callback === 'success') {
+        callbacks.success.call(this, successResponse);
+      } else if (callback === 'error') {
+        callbacks.error.call(this, 'error', errorResponse);
+      }
+    };
+
     beforeEach(function () {
-      Backbone.sync = function (method, collection, callbacks) {
-        if (callback === 'success') {
-          callbacks.success.call(this, successResponse);
-        } else if (callback === 'error') {
-          callbacks[callback].call(this, 'error', errorResponse);
-        }
-      };
+      spyOn(Backbone, 'sync').and.callFake(syncFn);
     });
 
     it('should return a resolved promise if the save function works', function (done) {

lib/assets/test/spec/builder/editor/layers/layer-content-view/data/data-content-view.spec.js

@@ -1,4 +1,5 @@
 var Backbone = require('backbone');
+var Promise = require('bluebird');
 var ConfigModel = require('builder/data/config-model');
 var LayerContentModel = require('builder/data/layer-content-model');
 var DataContentView = require('builder/editor/layers/layer-content-views/data/data-content-view');