Fix static tests

Author: Mateusz Krzeszowiak

app/code/Magento/Ui/view/base/web/js/lib/knockout/bindings/datepicker.js

@@ -91,7 +91,7 @@ define([
                             options.dateFormat + (options.showsTime ? ' ' + options.timeFormat : '')
                         )
                     ).toDate();
-    
+
                     if (oldVal == null ||
                         newVal.valueOf() !== oldVal.valueOf()
                     ) {

dev/tests/js/jasmine/tests/app/code/Magento/Ui/base/js/lib/ko/bind/datepicker.test.js

@@ -8,6 +8,7 @@ define([
     'jquery',
     'moment',
     'mageUtils',
+    'mage/calendar',
     'Magento_Ui/js/lib/knockout/bindings/datepicker'
 ], function (ko, $, moment, utils) {
     'use strict';
@@ -18,6 +19,7 @@ define([
             config;
 
         beforeEach(function () {
+            jasmine.clock().install();
             element = $('<input />');
             observable = ko.observable();
 
@@ -38,6 +40,7 @@ define([
         });
 
         afterEach(function () {
+            jasmine.clock().uninstall();
             element.remove();
         });
 
@@ -62,13 +65,17 @@ define([
             expectedDate = moment(date, utils.convertToMomentFormat(inputFormat)).toDate();
             observable(date);
 
+            jasmine.clock().tick(100);
+
             expect(expectedDate.valueOf()).toEqual(element.datepicker('getDate').valueOf());
         });
 
         it('clear picked date\'s value after clear observable value', function () {
             element.datepicker('setTimezoneDate').blur().trigger('change');
             observable('');
 
+            jasmine.clock().tick(100);
+
             expect(null).toEqual(element.datepicker('getDate'));
         });
     });