[CI] XpackWithMultipleProjectsClientYamlTestSuiteIT test {yaml=downsample/10_basic/Downsample failure} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #8042 / encryption-at-rest
• elasticsearch-periodic-platform-support #8021 / almalinux-8_platform-support-unix
• elasticsearch-periodic-platform-support #7943 / rhel-8_platform-support-unix

Reproduction Line:

./gradlew ":x-pack:qa:multi-project:xpack-rest-tests-with-multiple-projects:yamlRestTest" --tests "org.elasticsearch.multiproject.test.XpackWithMultipleProjectsClientYamlTestSuiteIT.test {yaml=downsample/10_basic/Downsample failure}" -Dtests.seed=CB9D120017F6A73B -Dtests.locale=ln-CF -Dtests.timezone=America/Panama -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.Exception: Test abandoned because suite timeout was reached.

Issue Reasons:

• [main] 3 failures in test test {yaml=downsample/10_basic/Downsample failure} (0.3% fail rate in 979 executions)
• [main] 2 failures in pipeline elasticsearch-periodic-platform-support (9.5% fail rate in 21 executions)

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

[elasticsearchmachine]

Pinging @elastic/es-data-management (Team:Data Management)

[nielsbauman]

Already fixed by #127699.