test: add integration test for lazy chunks and ngDevMode in cli apps (#32957)

PR Close #32957

integration/cli-hello-world-lazy/e2e/src/app.e2e-spec.ts

@@ -0,0 +1,28 @@
+import { AppPage } from './app.po';
+import { browser, logging, element, by } from 'protractor';
+
+describe('workspace-project App', () => {
+  let page: AppPage;
+
+  beforeEach(() => {
+    page = new AppPage();
+  });
+
+  it('should display welcome message', () => {
+    page.navigateTo();
+    expect(page.getTitleText()).toEqual('cli-hello-world-lazy app is running!');
+  });
+
+  it('should display lazy route', () => {
+    browser.get('/lazy');
+    expect(element(by.css('app-lazy p')).getText()).toEqual('lazy works!');
+  });
+
+  afterEach(async () => {
+    // Assert that there are no errors emitted from the browser
+    const logs = await browser.manage().logs().get(logging.Type.BROWSER);
+    expect(logs).not.toContain(jasmine.objectContaining({
+      level: logging.Level.SEVERE,
+    } as logging.Entry));
+  });
+});

integration/cli-hello-world-lazy/e2e/src/app.po.ts

@@ -0,0 +1,11 @@
+import { browser, by, element } from 'protractor';
+
+export class AppPage {
+  navigateTo() {
+    return browser.get(browser.baseUrl) as Promise<any>;
+  }
+
+  getTitleText() {
+    return element(by.css('app-root .content span')).getText() as Promise<string>;
+  }
+}