function waitForBootstrap() {
   browser.wait(protractor.until.elementLocated(by.css(selector + ' .box')), 5000)
       .then(() => {}, () => {
         // jasmine will timeout if this gets called too many times
         console.error('>> unexpected timeout -> browser.refresh()');
         browser.refresh();
         waitForBootstrap();
       });
 }

  it('should greet', () => {
    // This test can't wait for Angular as Testability is not available when using WebWorker
    browser.ignoreSynchronization = true;
    browser.get(URL);

    browser.wait(protractor.until.elementLocated(by.css(selector)), 15000);
    const elem = element(by.css(selector));
    browser.wait(ExpectedConditions.textToBePresentInElement(elem, 'hello world!'), 5000);
    expect(elem.getText()).toEqual('hello world!');

  });

 function waitForBootstrap() {
   browser.wait(protractor.until.elementLocated(by.css(selector + ' h2')), 5000)
       .then(
           () => {
             const elem = element(by.css(selector + ' h2'));
             browser.wait(
                 protractor.ExpectedConditions.textToBePresentInElement(elem, 'Input App'), 5000);
           },
           () => {
             // jasmine will timeout if this gets called too many times
             console.error('>> unexpected timeout -> browser.refresh()');
             browser.refresh();
             waitForBootstrap();
           });
 }

function waitForBootstrap(): void {
  browser.wait(protractor.until.elementLocated(by.css('todo-app #todoapp')), 15000);
}

 function waitForElement(selector: string): void {
   browser.wait(protractor.until.elementLocated(by.css(selector)), 15000);
 }