[8.19](backport #48785) Fix Kafka flaky tests#49140
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* Added delays and waits at certain steps to ensure the Kafka configuration running properly before starting the test. * Add connection retries for the Kafka producer Assisted by Cursor. * Try to disable leader election * Replace the attempts loop with the eventually call * Make the helper more debuggable * filebeat/input/kafka: stabilize TestSASLAuthentication topic setup Create the test topic explicitly and wait for partition leaders before producing messages, preventing transient CI failures with “no leader for this partition” during topic auto-creation. GenAI-Assisted: Yes Human-Reviewed: Yes Tool: Cursor CLI, Model: GPT-5.3 Codex --------- Co-authored-by: Tiago Queiroz <tiago.queiroz@elastic.co> (cherry picked from commit 0132a25)
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rdner
approved these changes
Feb 26, 2026
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Proposed commit message
Assisted by Cursor.
The Kafka tests are flaky and sometime fails with:
For example, in this build https://buildkite.com/elastic/filebeat/builds/28161#019c482f-481b-40db-85e6-34da7056207f
Relates to #48026
This is an automatic backport of pull request #48785 done by Mergify.