txn test fix

Author: aditi-khare-mongoDB

test/integration/node-specific/client_close.test.ts

@@ -462,8 +462,9 @@ describe('MongoClient.close() Integration', () => {
       utilClient = this.configuration.newClient();
       await client.connect();
       session = client.startSession({ explicit: false });
+      const collection = client.db('db').collection('collection');
       session.startTransaction();
-      await client.db('db').collection('collection').insertOne({ x: 1 }, { session });
+      await collection.insertOne({ x: 1 }, { session });
 
       const opBefore = await utilClient.db().admin().command({ currentOp: 1 });
       idleSessionsBeforeClose = opBefore.inprog.filter(s => s.type === 'idleSession');
@@ -523,8 +524,9 @@ describe('MongoClient.close() Integration', () => {
       utilClient = this.configuration.newClient();
       await client.connect();
       session = client.startSession();
+      const collection = client.db('db').collection('collection');
       session.startTransaction();
-      await client.db('db').collection('collection').insertOne({ x: 1 }, { session });
+      await collection.insertOne({ x: 1 }, { session });
 
       const opBefore = await utilClient.db().admin().command({ currentOp: 1 });
       idleSessionsBeforeClose = opBefore.inprog.filter(s => s.type === 'idleSession');
@@ -691,14 +693,14 @@ describe('MongoClient.close() Integration', () => {
         await cursor?.close();
       });
 
-      it.skip('all active server-side cursors are closed by client.close()', async function () {
+      it('all active server-side cursors are closed by client.close()', async function () {
         const getCursors = async () => {
           const res = await utilClient
             .db()
             .admin()
             .command({
               aggregate: 1,
-              cursor: { batchSize: 10 },
+              cursor: {},
               pipeline: [{ $currentOp: { idleCursors: true } }]
             });
           return res.cursor.firstBatch.filter(