Add test for updating parent state in cWRP (facebook#8448)

Fails in Fiber.

scripts/fiber/tests-failing.txt

@@ -93,6 +93,9 @@ src/renderers/shared/shared/__tests__/ReactCompositeComponent-test.js
 src/renderers/shared/shared/__tests__/ReactCompositeComponentNestedState-test.js
 * should provide up to date values for props
 
+src/renderers/shared/shared/__tests__/ReactCompositeComponentState-test.js
+* should update state when called from child cWRP
+
 src/renderers/shared/shared/__tests__/ReactEmptyComponent-test.js
 * should still throw when rendering to undefined
 * throws when rendering null at the top level

src/renderers/shared/shared/__tests__/ReactCompositeComponentState-test.js

@@ -256,4 +256,44 @@ describe('ReactCompositeComponent-state', () => {
       ReactDOM.unmountComponentAtNode(container);
     }).not.toThrow();
   });
+
+  it('should update state when called from child cWRP', function() {
+    const log = [];
+    class Parent extends React.Component {
+      state = {value: 'one'};
+      render() {
+        log.push('parent render ' + this.state.value);
+        return <Child parent={this} value={this.state.value} />;
+      }
+    }
+    let updated = false;
+    class Child extends React.Component {
+      componentWillReceiveProps() {
+        if (updated) {
+          return;
+        }
+        log.push('child componentWillReceiveProps ' + this.props.value);
+        this.props.parent.setState({value: 'two'});
+        log.push('child componentWillReceiveProps done ' + this.props.value);
+        updated = true;
+      }
+      render() {
+        log.push('child render ' + this.props.value);
+        return <div>{this.props.value}</div>;
+      }
+    }
+    var container = document.createElement('div');
+    ReactDOM.render(<Parent />, container);
+    ReactDOM.render(<Parent />, container);
+    expect(log).toEqual([
+      'parent render one',
+      'child render one',
+      'parent render one',
+      'child componentWillReceiveProps one',
+      'child componentWillReceiveProps done one',
+      'child render one',
+      'parent render two',
+      'child render two',
+    ]);
+  });
 });