message: create-app: update e2e test in app template
diff: describe('App', () => {
  - it('should render the welcome page', () => {
  + it('should render the catalog', () => {
  cy.visit('/');
  - cy.contains('Welcome to Backstage');
  - cy.contains('Getting Started');
  - cy.contains('Quick Links');
  + cy.contains('Backstage Service Catalog');
  });
  });
  