MAGETWO-67106: Unstable Automated test Magento\Paypal\Test\TestCase\InContextExpressCheckoutFromShoppingCartTest failed on variation InContextExpressCheckoutFromShoppingCartTestVariation1

Author: iivashchenko

app/code/Magento/Paypal/view/frontend/web/js/in-context/express-checkout.js

@@ -25,7 +25,7 @@ define(
             defaults: {
                 clientConfig: {
 
-                    inited: false,
+                    checkoutInited: false,
 
                     /**
                      * @param {Object} event
@@ -35,9 +35,9 @@ define(
 
                         event.preventDefault();
 
-                        if (!this.clientConfig.inited) {
+                        if (!this.clientConfig.checkoutInited) {
                             paypalExpressCheckout.checkout.initXO();
-                            this.clientConfig.inited = true;
+                            this.clientConfig.checkoutInited = true;
                         } else {
                             paypalExpressCheckout.checkout.closeFlow();
                         }

dev/tests/js/jasmine/tests/app/code/Magento/Paypal/frontend/js/in-context/express-checkout.test.js

@@ -0,0 +1,71 @@
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+define([
+    'jquery',
+    'Magento_Paypal/js/in-context/express-checkout'
+], function ($, ExpressCheckout) {
+    'use strict';
+
+    describe('Magento_Paypal/js/in-context/express-checkout', function () {
+
+        var model, event;
+
+        /**
+         * Run before each test method
+         *
+         * @return void
+         */
+        beforeEach(function (done) {
+            model = new ExpressCheckout();
+
+            event = {
+                /** Stub */
+                preventDefault: function () {}
+            };
+
+            done();
+        });
+
+        describe('clientConfig.click method', function () {
+
+            it('Check for properties defined ', function () {
+                expect(model.hasOwnProperty('clientConfig')).toBeDefined();
+                expect(model.clientConfig.hasOwnProperty('click')).toBeDefined();
+                expect(model.clientConfig.hasOwnProperty('checkoutInited')).toBeDefined();
+            });
+
+            it('Check properties type', function () {
+                expect(typeof model.clientConfig.checkoutInited).toEqual('boolean');
+                expect(typeof model.clientConfig.click).toEqual('function');
+            });
+
+            it('Check properties value', function () {
+                expect(model.clientConfig.checkoutInited).toEqual(false);
+            });
+
+            it('Check call "click" method', function () {
+
+                $.ajax = jasmine.createSpy().and.callFake(function () {
+                    var d = $.Deferred();
+
+                    d.resolve({
+                        'success': true
+                    });
+
+                    return d.promise();
+                });
+
+                $.fn.trigger = jasmine.createSpy();
+
+                model.clientConfig.click(event);
+
+                expect($.ajax).toHaveBeenCalled();
+                expect($('body').trigger).toHaveBeenCalledWith('processStop');
+                expect(model.clientConfig.checkoutInited).toEqual(true);
+            });
+        });
+    });
+});