React 0.14.7: `<option value="">empty</option>` emits empty string on change
http://jsbin.com/pisita/10/edit?html,js,console,output
React 15.0.0-rc.1`<option value="">empty</option>` emits string with value "empty" on change
http://jsbin.com/bemaze/12/edit?html,js,console,output
This is because React 15.0.0-rc.1 cuts off `value=""` from option tag

children={['bar']}
          suppressContentEditableWarning={false}
        />,
        container
      );
      expect(container.firstChild.hasAttribute('children')).toBe(false);
      expect(
        container.firstChild.hasAttribute('suppressContentEditableWarning')
      ).toBe(false);
    });
    it('should skip dangerouslySetInnerHTML on web components', function() {
      var container = document.createElement('div');
      ReactDOM.render(
        <my-component dangerouslySetInnerHTML={{__html: 'hi'}} />,
        container
      );
      expect(
        container.firstChild.hasAttribute('dangerouslySetInnerHTML')
      ).toBe(false);
      ReactDOM.render(
        <my-component dangerouslySetInnerHTML={{__html: 'bye'}} />,
        container
      );
      expect(
        container.firstChild.hasAttribute('dangerouslySetInnerHTML')
      ).toBe(false);
    });
    it('should remove attributes', function() {
      var container = document.createElement('div');
      ReactDOM.render(<img height="17" />, container);