Run the [`fixtures/ssr` test harness](https://github.com/facebook/react/tree/master/fixtures/ssr). In the terminal, the following warning is logged:

```
Warning: Unknown prop `onClick` on <a> tag. Remove this prop from the element. For details, see https://fb.me/react-unknown-prop
  in a (at Page.js:12)
  in p (at Page.js:18)
  in div (at Page.js:17)
  in Page (at App.js:12)
  in div (at App.js:10)
  in body (at Chrome.js:17)
  in html (at Chrome.js:9)
  in Chrome (at App.js:9)
  in App (at render.js:18)
```

SSR behavior should match client-side behavior and not warn for a valid attribute.
render() {
          
          return <div>{this.context.text}</div>;
        }
      }
      const e = await render(
        <PurpleContext><ClassChildWithoutContext /></PurpleContext>,
      );
      expect(e.textContent).toBe('');
    });
    itRenders('stateless child without context', async render => {
      function StatelessChildWithoutContext(props, context) {
        
        return <div>{context.text}</div>;
      }
      const e = await render(
        <PurpleContext><StatelessChildWithoutContext /></PurpleContext>,
      );
      expect(e.textContent).toBe('');
    });
    itRenders('class child with wrong context', async render => {
      class ClassChildWithWrongContext extends React.Component {