[CI] ExchangeServiceTests testExchangeSourceContinueOnFailure failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #9071 / ubuntu-2404-aarch64_checkpart3_platform-support-arm
• elasticsearch-periodic #9021 / single-processor-node-tests

Reproduction Line:

./gradlew ":x-pack:plugin:esql:compute:test" --tests "org.elasticsearch.compute.operator.exchange.ExchangeServiceTests.testExchangeSourceContinueOnFailure" -Dtests.seed=B5C2A4A9D08F3B27 -Dtests.locale=se-NO -Dtests.timezone=Europe/Brussels -Druntime.java=24

Applicable branches:
9.1

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

org.elasticsearch.ElasticsearchTimeoutException: java.util.concurrent.TimeoutException: Timeout waiting for task.

Issue Reasons:

• [9.1] 2 failures in test testExchangeSourceContinueOnFailure (1.7% fail rate in 119 executions)

Note:
This issue was created using new test triage automation. Please report issues or feedback to es-delivery.

[elasticsearchmachine]

Pinging @elastic/es-analytical-engine (Team:Analytics)

[luigidellaquila]

I see no recent failures (zero this week), I'm labeling this as low risk.
@dnhatn I see you self-assigned it, please raise the priority if you think it's higher risk.

[dnhatn]

Thanks @luigidellaquila. This has been fixed in #130235