update redux to 4.0.0, fix test cases

Author: Wang Zhongliang

package.json

@@ -69,9 +69,9 @@
     "eslint-config-airbnb": "1.0.2",
     "eslint-plugin-react": "^4.1.0",
     "mocha": "^2.2.5",
-    "redux": "4.0.0-beta.2",
+    "redux": "~4.0.0",
     "rimraf": "^2.5.2",
-    "typescript": "~2.6.0",
+    "typescript": "~2.6.2",
     "typings-tester": "^0.3.1",
     "webpack": "^1.12.14"
   }

test/typescript.ts

@@ -39,10 +39,17 @@ function testGetState(): ThunkResult<void> {
     // typings:expect-error
     dispatch({ type: 'BAZ'});
     // Can dispatch another thunk action
-    dispatch(testGetState());
+    dispatch(anotherThunkAction());
   };
 }
 
+function anotherThunkAction(): ThunkResult<string> {
+  return (dispatch, getState) => {
+    dispatch({ type: 'FOO' });
+    return 'hello';
+  }
+}
+
 store.dispatch({ type: 'FOO' });
 // typings:expect-error
 store.dispatch({ type: 'BAR' })