test: fix failing tests

Author: RaschidJFR

src/Adapters/Files/GridFSBucketAdapter.js

@@ -51,9 +51,7 @@ export class GridFSBucketAdapter extends FilesAdapter {
         name: 'Parse Server',
         version: pkg.version,
       };
-      const mongoclient = new MongoClient(this._databaseURI, this._mongoOptions);
-      mongoclient.appendMetadata(driverInfo);
-      this._connectionPromise = mongoclient.connect().then(
+      this._connectionPromise = MongoClient.connect(this._databaseURI, { ...this._mongoOptions, driverInfo }).then(
         client => {
           this._client = client;
           return client.db(client.s.options.dbName);

src/Adapters/Storage/Mongo/MongoStorageAdapter.js

@@ -185,9 +185,7 @@ export class MongoStorageAdapter implements StorageAdapter {
       name: 'Parse Server',
       version: pkg.version,
     }
-    const mongoclient = new MongoClient(encodedUri, this._mongoOptions)
-    mongoclient.appendMetadata(driverInfo);
-    this.connectionPromise = mongoclient.connect()
+    this.connectionPromise = MongoClient.connect(encodedUri, { ...this._mongoOptions, driverInfo })
       .then(client => {
         // Starting mongoDB 3.0, the MongoClient.connect don't return a DB anymore but a client
         // Fortunately, we can get back the options and use them to select the proper DB.