  it('should check ng-class', function() {
    expect(element(by.css('.base-class')).getAttribute('class')).not.
      toMatch(/my-class/);

    element(by.id('setbtn')).click();

    expect(element(by.css('.base-class')).getAttribute('class')).
      toMatch(/my-class/);

    element(by.id('clearbtn')).click();

    expect(element(by.css('.base-class')).getAttribute('class')).not.
      toMatch(/my-class/);
  });