[CI] TimeSeriesLifecycleActionsIT testDeleteActionDoesntDeleteSearchableSnapshot failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #7392 / oraclelinux-9_platform-support-unix
• elasticsearch-periodic-platform-support #7294 / oraclelinux-8_platform-support-unix

Reproduction Line:

./gradlew ":x-pack:plugin:ilm:qa:multi-node:javaRestTest" --tests "org.elasticsearch.xpack.ilm.TimeSeriesLifecycleActionsIT.testDeleteActionDoesntDeleteSearchableSnapshot" -Dtests.seed=8E4F510D5CCE007A -Dtests.locale=pa-Guru-IN -Dtests.timezone=Africa/Djibouti -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: null

Issue Reasons:

• [main] 2 failures in test testDeleteActionDoesntDeleteSearchableSnapshot (0.3% fail rate in 638 executions)
• [main] 2 failures in pipeline elasticsearch-periodic-platform-support (15.4% fail rate in 13 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]

Again caused by ILM being stuck in the wait-for-index-color step. Same as #125867 and a few other test failures in a different class. A fix is being worked on.