feat(discov2): add functions for new batches api

Author: apaparazzi0329

assistant/v1.ts

@@ -1,5 +1,5 @@
 /**
- * (C) Copyright IBM Corp. 2018, 2023.
+ * (C) Copyright IBM Corp. 2018, 2024.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -17,7 +17,7 @@
 // need to import the whole package to mock getAuthenticatorFromEnvironment
 const sdkCorePackage = require('ibm-cloud-sdk-core');
 
-const { NoAuthAuthenticator, unitTestUtils } = sdkCorePackage;
+const { NoAuthAuthenticator } = sdkCorePackage;
 const AssistantV1 = require('../../dist/assistant/v1');
 
 const {
@@ -26,7 +26,7 @@ const {
   checkMediaHeaders,
   expectToBePromise,
   checkForSuccessfulExecution,
-} = unitTestUtils;
+} = require('@ibm-cloud/sdk-test-utilities');
 
 const assistantServiceOptions = {
   authenticator: new NoAuthAuthenticator(),