describe("", function() {
  var rootEl;
  beforeEach(function() {
    rootEl = browser.rootEl;
    browser.get("build/docs/examples/example-example91/index.html");
  });
  
var colorSpan = element(by.css('span'));

it('should check ng-style', function() {
  expect(colorSpan.getCssValue('color')).toBe('rgba(0, 0, 0, 1)');
  element(by.css('input[value=\'set color\']')).click();
  expect(colorSpan.getCssValue('color')).toBe('rgba(255, 0, 0, 1)');
  element(by.css('input[value=clear]')).click();
  expect(colorSpan.getCssValue('color')).toBe('rgba(0, 0, 0, 1)');
});
});