Update jest to 0.7.1

Reviewed By: frantic

Differential Revision: D2614935

fb-gh-sync-id: 64cc4fb439f0c53f0eb0588c22e0291813a7e334

Libraries/JavaScriptAppEngine/Initialization/__tests__/parseErrorStack-test.js

@@ -9,7 +9,7 @@
 'use strict';
 
 
-require('mock-modules').autoMockOff();
+jest.autoMockOff();
 
 var parseErrorStack = require('parseErrorStack');