Live query CLP (#4387)

* Auth module refactoring in order to be reusable

* Ensure cache controller is properly forwarded from helpers

* Nits

* Adds support for static validation

* Adds support for CLP in Live query (no support for roles yet)

* Adds e2e test to validate liveQuery hooks is properly called

* Adds tests over LiveQueryController to ensure data is correctly transmitted

* nits

* Fixes for flow types

* Removes usage of Parse.Promise

* Use the Auth module for authentication and caches

* Cleaner implementation of getting auth

* Adds authCache that stores auth promises

* Proper testing of the caching

* nits

spec/helper.js

@@ -144,19 +144,22 @@ const reconfigureServer = changedConfiguration => {
       });
     }
     try {
+      let parseServer = undefined;
       const newConfiguration = Object.assign(
         {},
         defaultConfiguration,
         changedConfiguration,
         {
           __indexBuildCompletionCallbackForTests: indexBuildPromise =>
-            indexBuildPromise.then(resolve, reject),
+            indexBuildPromise.then(() => {
+              resolve(parseServer);
+            }, reject),
           mountPath: '/1',
           port,
         }
       );
       cache.clear();
-      const parseServer = ParseServer.start(newConfiguration);
+      parseServer = ParseServer.start(newConfiguration);
       parseServer.app.use(require('./testing-routes').router);
       parseServer.expressApp.use('/1', err => {
         console.error(err);