[FLINK-32064] Add subdirectory of test output file for JsonPlanTest to indicate the plan's version

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Won't Do
• Affects Version/s: 1.18.0
• Fix Version/s: 1.18.0
• Component/s: Table SQL / Planner
• Labels: pull-request-available
• Assignee: Jane Chan
• Reporter: Jane Chan
• Created: 11/May/23 14:35
• Updated: 15/May/23 12:52
• Resolved: 15/May/23 12:51

Description

This is a preparation for upgrading some ExecNodes(which translate to stateful operators) version to 2

Issue Links

• links to: GitHub Pull Request #22570