Revert "build: switch example e2e tests to bazel (#28402)" (#28438)

This reverts commit ef78e33560.

PR Close #28438

packages/examples/test-utils/index.ts

@@ -1,43 +0,0 @@
-/**
- * @license
- * Copyright Google Inc. All Rights Reserved.
- *
- * Use of this source code is governed by an MIT-style license that can be
- * found in the LICENSE file at https://angular.io/license
- */
-/* tslint:disable:no-console  */
-import {WebDriver, logging} from 'selenium-webdriver';
-
-declare var browser: WebDriver;
-declare var expect: any;
-
-// TODO (juliemr): remove this method once this becomes a protractor plugin
-export async function verifyNoBrowserErrors() {
-  const browserLog = await browser.manage().logs().get('browser');
-  const collectedErrors: any[] = [];
-
-  browserLog.forEach(logEntry => {
-    const msg = logEntry.message;
-
-    // Since we currently use the `ts_devserver` from the Bazel TypeScript rules, which does
-    // fallback to the "index.html" file for HTML5 pushState routing but does always serve the
-    // expected fallback with a 404 status code, the browser will print a message about the 404,
-    // while the page loaded properly. Ideally the "ts_devserver" would allow us to opt-in for
-    // just returning a 200 status code, but the devserver is intended to be kept manually, so
-    // we manually filter this error before ensuring there are no console errors.
-    // TODO: This is a current limitation of using the "ts_devserver" with Angular routing.
-    // Tracked with: TOOL-629
-    if (msg.includes(
-            `Failed to load resource: the server responded with a status of 404 (Not Found)`)) {
-      return;
-    }
-
-    console.log('>> ' + msg, logEntry);
-
-    if (logEntry.level.value >= logging.Level.INFO.value) {
-      collectedErrors.push(msg);
-    }
-  });
-
-  expect(collectedErrors).toEqual([]);
-}