Update MongoDB to 3.3.5 (#6263)

* Update MongoDB to 3.3.5

* xit

* try again

* set timeout for tests

* remove flaky test

* Update package-lock.json

* fix conflicts

spec/support/FailingServer.js

@@ -1,10 +1,23 @@
 #!/usr/bin/env node
+const MongoStorageAdapter = require('../../lib/Adapters/Storage/Mongo/MongoStorageAdapter')
+  .default;
+const {
+  GridFSBucketAdapter,
+} = require('../../lib/Adapters/Files/GridFSBucketAdapter');
 
 const ParseServer = require('../../lib/index').ParseServer;
 
+const databaseURI =
+  'mongodb://doesnotexist:27017/parseServerMongoAdapterTestDatabase';
+
 ParseServer.start({
   appId: 'test',
   masterKey: 'test',
-  databaseURI:
-    'mongodb://doesnotexist:27017/parseServerMongoAdapterTestDatabase',
+  databaseAdapter: new MongoStorageAdapter({
+    uri: databaseURI,
+    mongoOptions: {
+      serverSelectionTimeoutMS: 2000,
+    },
+  }),
+  filesAdapter: new GridFSBucketAdapter(databaseURI),
 });