Description of change

fix core test closing connection after the test is done

Pull-Request Checklist

• Code is up-to-date with the main branch
• npm run lint passes with this change
• npm run test passes with this change
• This pull request links relevant issues as Fixes #0000 N/A
• There are new or updated unit tests validating the change
• Documentation has been updated to reflect this change N/A
• The new commits follow conventions outlined in the conventional commit spec