[Flaky Test]: TestSystemMetricsWithLogstashOutput – expected documents to be published to logstash output for otel mode

[cmacknz]

Failing test case

TestSystemMetricsWithLogstashOutput

Error message

expected documents to be published to logstash output for otel mode

Build

https://buildkite.com/elastic/elastic-agent/builds/38442#019df231-4e8a-451e-b40b-53cb2eb01dd2

OS

Linux

Stacktrace and notes

[2026-05-04T09:14:22,606][ERROR][logstash.inputs.beats    ] Invalid setting for beats input plugin:

          input {
            beats {
              # This setting must be a ["TLSv1.1", "TLSv1.2", "TLSv1.3"]
              # ["TLSv1.2", "Expected one of [\"TLSv1.1\", \"TLSv1.2\", \"TLSv1.3\"], got []"]
              ssl_supported_protocols => ["TLSv1.2", nil]
              ...
            }
          }

[infra-vault-gh-plugin-prod]

Pinging @elastic/elastic-agent (Team:Elastic-Agent)

[cmacknz]

TestSystemMetricsWithLogstashOutput.txt

Full test log attached above, it was too large to include in the description.

FYI @khushijain21