magento-engcom/magento2ce#2287: Code style fixes

Author: Stanislav Idolov

dev/tests/js/jasmine/tests/app/code/Magento/Checkout/frontend/js/model/cart/estimate-service.test.js

@@ -153,7 +153,7 @@ define([
 
         it('test subscribe when cart data was changed', function () {
             mocks['Magento_Customer/js/customer-data'].get('cart')({
-                data_id: 2
+                dataId: 2
             });
             expect(mocks['Magento_Checkout/js/model/cart/totals-processor/default'].estimateTotals).toHaveBeenCalled();
         });