[SPARK-49323] Move MockObserver from Spark Connect Server's test folder to the Server's main folder

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0
• Component/s: Connect
• Labels: pull-request-available
• Assignee: Thang Long Vu
• Reporter: Thang Long Vu
• Created: 20/Aug/24 16:47
• Updated: 21/Aug/24 11:03
• Resolved: 21/Aug/24 11:03

Issue Links

• links to: GitHub Pull Request #47816