test(ivy): ngcc - test compiling a CLI generated project (#26403)

This integration test was created from a vanilla CLI generated
project with the following modifications:

* remove `PercentPipe` usage from `app.component.html`
  - these are not yet supported by ivy
* changed `ng test` in `package.json` to only to `ng build`
  - right now we can only confirm that the app will build
* hard-code `ngDevMode` in `index.html`
  - the CLI does not yet set this correctly

PR Close #26403

integration/cli-hello-world-ivy/e2e/app.e2e-spec.ts

@@ -0,0 +1,19 @@
+import { AppPage } from './app.po';
+
+describe('cli-hello-world App', () => {
+  let page: AppPage;
+
+  beforeEach(() => {
+    page = new AppPage();
+  });
+
+  it('should display welcome message', () => {
+    page.navigateTo();
+    expect(page.getParagraphText()).toEqual('Welcome to app!');
+  });
+
+  it('the percent pipe should work', () => {
+    page.navigateTo();
+    expect(page.getPipeContent()).toEqual('100 % awesome');
+  })
+});