[CI] EnrichIT testBasicFlowLong failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #4459 / windows-2022_checkpart2_platform-support-windows
• elasticsearch-periodic-platform-support #4424 / ubuntu-2004-aarch64_checkpart2_platform-support-arm

Reproduction Line:

gradlew ":x-pack:plugin:enrich:qa:rest:javaRestTest" --tests "org.elasticsearch.xpack.enrich.EnrichIT.testBasicFlowLong" -Dtests.seed=F9E7696BB3CF3B0E -Dtests.locale=ar-ER -Dtests.timezone=HST -Druntime.java=22

Applicable branches: 8.16

Reproduces locally?: N/A

Failure History: See dashboard

Failure Message:

org.elasticsearch.client.WarningFailureException: method [DELETE], host [http://[::1]:59524], URI [*,-.ds-ilm-history-*,-.ds-.slm-history-*,-.ds-.watcher-history-*?expand_wildcards=open%2Cclosed%2Chidden], status line [HTTP/1.1 200 OK]
Warnings: [this request accesses system indices: [.inference], but in a future major version, direct access to system indices will be prevented by default]
{"acknowledged":true}

Issue Reasons:

• [8.16] 2 failures in test testBasicFlowLong (0.9% fail rate in 234 executions)
• [8.16] 2 failures in pipeline elasticsearch-periodic-platform-support (25.0% fail rate in 8 executions)

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