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

});
      var App1 = React.createClass({
        render: () => <Viz1 />,
      });
      ReactTestUtils.renderIntoDocument(<App1 />);
      expect(console.error.calls.length).toBe(1);
      expect(console.error.argsForCall[0][0]).toContain(
        'See Viz1 > table > FancyRow > Row > tr.'
      );
      var Viz2 = React.createClass({
        render: () => <FancyTable><FancyRow /></FancyTable>,
      });
      var App2 = React.createClass({
        render: () => <Viz2 />,
      });
      ReactTestUtils.renderIntoDocument(<App2 />);
      expect(console.error.calls.length).toBe(2);
      expect(console.error.argsForCall[1][0]).toContain(
        'See Viz2 > FancyTable > Table > table > FancyRow > Row > tr.'
      );
      ReactTestUtils.renderIntoDocument(<FancyTable><FancyRow /></FancyTable>);
      expect(console.error.calls.length).toBe(3);
      expect(console.error.argsForCall[2][0]).toContain(
        'See FancyTable > Table > table > FancyRow > Row > tr.'
      );
      ReactTestUtils.renderIntoDocument(<table><FancyRow /></table>);
      expect(console.error.calls.length).toBe(4);
      expect(console.error.argsForCall[3][0]).toContain(
        'See table > FancyRow > Row > tr.'
      );