Improve `Netty4IncrementalRequestHandlingIT`#127768

elasticsearchmachine merged 2 commits intoelastic:mainelastic/elasticsearch:mainfrom

DaveCTurner:2025/05/06/netty-incremental-handling-tests-improvementsDaveCTurner/elasticsearch:2025/05/06/netty-incremental-handling-tests-improvementsCopy head branch name to clipboard