MAGETWO-64413: [GITHUB] Invalid expiration year validator #8482

 - Added js unit test for the year validator

Author: YevSent

dev/tests/js/jasmine/tests/app/code/Magento/Payment/base/js/model/credit-card-validation/validator.test.js

@@ -0,0 +1,24 @@
+/**
+ * Copyright © 2013-2017 Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'jquery',
+    'jquery/validate',
+    'Magento_Payment/js/model/credit-card-validation/validator'
+], function ($) {
+    'use strict';
+
+    describe('Magento_Payment/js/model/credit-card-validation/validator', function () {
+
+        it('Check credit card expiration year validator.', function () {
+            var year = new Date().getFullYear();
+
+            expect($.validator.methods['validate-card-year']('1234')).toBeFalsy();
+            expect($.validator.methods['validate-card-year']('')).toBeFalsy();
+            expect($.validator.methods['validate-card-year']((year - 1).toString())).toBeFalsy();
+            expect($.validator.methods['validate-card-year']((year + 1).toString())).toBeTruthy();
+        });
+    });
+});