Add ReactShallowRenderer types

See http://facebook.github.io/react/docs/test-utils.html#shallow-rendering

react/react-addons-global.d.ts

@@ -179,6 +179,8 @@ declare module React {
         findRenderedComponentWithType<C extends Component<any, any>>(
             tree: Component<any, any>,
             type: ComponentClass<any>): C;
+
+        createRenderer(): ShallowRenderer;
     }
 
     interface SyntheticEventData {
@@ -255,5 +257,11 @@ declare module React {
         touchStart: EventSimulator;
         wheel: EventSimulator;
     }
+
+    class ShallowRenderer {
+        getRenderOutput<C extends Component<any, any>>(): C;
+        render(element: ReactElement<any>, context?: any): void;
+        unmount(): void;
+    }
 }
 

react/react-addons-tests.ts

@@ -387,3 +387,8 @@ React.addons.TestUtils.Simulate.click(node);
 React.addons.TestUtils.Simulate.change(node);
 React.addons.TestUtils.Simulate.keyDown(node, { key: "Enter" });
 
+var renderer: React.ShallowRenderer =
+    React.addons.TestUtils.createRenderer();
+renderer.render(React.createElement(Timer));
+var output: Timer = renderer.getRenderOutput<Timer>();
+

react/react-addons.d.ts

@@ -904,6 +904,8 @@ declare module "react/addons" {
         findRenderedComponentWithType<C extends Component<any, any>>(
             tree: Component<any, any>,
             type: ComponentClass<any>): C;
+
+        createRenderer(): ShallowRenderer;
     }
 
     interface SyntheticEventData {
@@ -981,6 +983,12 @@ declare module "react/addons" {
         wheel: EventSimulator;
     }
 
+    class ShallowRenderer {
+        getRenderOutput<C extends Component<any, any>>(): C;
+        render(element: ReactElement<any>, context?: any): void;
+        unmount(): void;
+    }
+
     //
     // Browser Interfaces
     // https://github.com/nikeee/2048-typescript/blob/master/2048/js/touch.d.ts