test: update confirm-dialog Esc tests to use sendKeys (#9796)

Author: web-padawan

packages/confirm-dialog/test/confirm-dialog.test.js

@@ -1,5 +1,6 @@
 import { expect } from '@vaadin/chai-plugins';
-import { aTimeout, esc, fixtureSync, listenOnce, nextFrame, nextRender, oneEvent } from '@vaadin/testing-helpers';
+import { sendKeys } from '@vaadin/test-runner-commands';
+import { aTimeout, fixtureSync, listenOnce, nextFrame, nextRender, oneEvent } from '@vaadin/testing-helpers';
 import sinon from 'sinon';
 import './not-animated-styles.js';
 import '../src/vaadin-confirm-dialog.js';
@@ -512,16 +513,16 @@ describe('vaadin-confirm-dialog', () => {
       confirm.addEventListener('cancel', spy);
     });
 
-    it('should close but not cancel dialog by default', () => {
-      esc(document.body);
+    it('should close but not cancel dialog by default', async () => {
+      await sendKeys({ press: 'Escape' });
       expect(spy.called).to.be.true;
       expect(confirm.opened).to.be.false;
     });
 
     it('should not close and not cancel dialog with no-close-on-esc', async () => {
       confirm.noCloseOnEsc = true;
       await nextFrame();
-      esc(document.body);
+      await sendKeys({ press: 'Escape' });
       expect(spy.called).to.be.false;
       expect(confirm.opened).to.be.true;
     });