function setUp() {
  // Set up clock.
  mockClock = new goog.testing.MockClock();
  mockClock.install();
  root = goog.dom.createDom(goog.dom.TagName.DIV);
  document.body.appendChild(root);
  component = new firebaseui.auth.ui.page.Spinner();
  component.render(root);
  pageTestHelper.setClock(mockClock).setComponent(component);
}
@fileoverview Tests for the spinner page.