text: describe("", function() {
    var rootEl;
    beforeEach(function() {
      rootEl = browser.rootEl;
      browser.get("build/docs/examples/example-accessibility-ng-model/index.html");
    });
    
  var checkbox = element(by.css('custom-checkbox'));
  var checkedCheckbox = element(by.css('custom-checkbox.checked'));
  
  it('should have the `checked` class only when checked', function() {
    expect(checkbox.isPresent()).toBe(true);
    expect(checkedCheckbox.isPresent()).toBe(false);
  
    checkbox.click();
    expect(checkedCheckbox.isPresent()).toBe(true);
  
    checkbox.click();
    expect(checkedCheckbox.isPresent()).toBe(false);
  });
  
  it('should have the `aria-checked` attribute set to the appropriate value', function() {
    expect(checkedCheckbox.isPresent()).toBe(false);
    expect(checkbox.getAttribute('aria-checked')).toBe('false');
  
    checkbox.click();
    expect(checkedCheckbox.isPresent()).toBe(true);
    expect(checkbox.getAttribute('aria-checked')).toBe('true');
  
    checkbox.click();
    expect(checkedCheckbox.isPresent()).toBe(false);
    expect(checkbox.getAttribute('aria-checked')).toBe('false');
  });
  });