test: Cleanup is_node_stopped #27893

1. 
   maflcko commented at 8:16 am on June 15, 2023: member

   Motivation

   See https://github.com/bitcoin/bitcoin/pull/27708/files#r1227794716 and https://github.com/bitcoin/bitcoin/pull/27708/files#r1226949554

   Possible solution

   (see above)

   Useful Skills

   • Compile Bitcoin Core and run the tests
   • Python 3 and the Bitcoin Core functional tests

   Guidance for new contributors

   Want to work on this issue?

   For guidance on contributing, please read CONTRIBUTING.md before opening your pull request.

2. maflcko added the label Tests on Jun 15, 2023
3. maflcko added the label good first issue on Jun 15, 2023
4. 
   dimitaracev commented at 9:47 am on June 15, 2023: contributor

   I can take this.
5. fanquake closed this on Jun 15, 2023

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6. BlackcoinDev referenced this in commit c454395115 on Feb 5, 2024
7. bitcoin locked this on Jun 14, 2024

Contributors
maflcko dimitaracev

Labels
Tests good first issue