fix(virtual-scroll): remove runOutsideAngular error (#18752)

fixes #18746

angular/test/test-app/e2e/src/virtual-scroll.e2e-spec.ts

@@ -0,0 +1,18 @@
+import { browser, element, by } from 'protractor';
+import { waitTime, handleErrorMessages } from './utils';
+
+describe('virtual-scroll', () => {
+  afterEach(() => {
+    return handleErrorMessages();
+  });
+  beforeEach(async () => {
+    await browser.get('/virtual-scroll');
+    await waitTime(30);
+  });
+
+  it('should open virtual-scroll', () => {
+    const virtualElements = element.all(by.css('ion-virtual-scroll > *'));
+    expect(virtualElements.count()).toBeGreaterThan(0);
+  });
+
+});