DateBox: Update event triggering

Author: Ruslan Farkhutdinov

packages/devextreme/testing/tests/DevExpress.ui.widgets.editors/datebox.tests.js

@@ -3149,8 +3149,7 @@ QUnit.module('valueChanged handler should receive correct event', {
         test(`on calendar cell selecting using enter when useMaskBehavior=${useMaskBehavior}`, function(assert) {
             this.reinit({ useMaskBehavior });
 
-            this.keyboard.press('enter');
-            this.clock.tick(10);
+            this.$input.trigger($.Event('keydown', { key: 'Enter' }));
 
             this.checkEvent(assert, 'keydown', this.$input, 'enter');
             this.testProgramChange(assert);