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

componentWillUnmount: function() {
          
          expect(ReactDOM.findDOMNode(this).nodeName).toBe('SPAN');
        },
      });
      var container = document.createElement('div');
      ReactDOM.render(<div><Inner /></div>, container);
      ReactDOM.unmountComponentAtNode(container);
    });
  });
  describe('onScroll warning', function() {
    it('should warn about the `onScroll` issue when unsupported (IE8)', () => {
      
      
      jest.resetModuleRegistry()
        .mock('isEventSupported');
      var isEventSupported = require('isEventSupported');
      isEventSupported.mockReturnValueOnce(false);
      var ReactTestUtils = require('ReactTestUtils');
      spyOn(console, 'error');
      ReactTestUtils.renderIntoDocument(<div onScroll={function() {}} />);
      expect(console.error.calls.length).toBe(1);
      expect(console.error.argsForCall[0][0]).toBe(
        'Warning: This browser doesn\'t support the `onScroll` event'
      );
    });
    it('should not warn when server-side rendering `onScroll`', function() {
      spyOn(console, 'error');
      ReactDOMServer.renderToString(<div onScroll={() => {}}/>);
      expect(console.error).not.toHaveBeenCalled();