[CI] ModelRegistryMetadataTests testAlreadyUpgraded failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #20922 / part2
• elasticsearch-intake #20784 / part2
• elasticsearch-periodic-platform-support #7250 / ubuntu-2404_platform-support-unix
• elasticsearch-periodic-platform-support #7250 / almalinux-8_platform-support-unix
• elasticsearch-periodic-platform-support #7236 / sles-15_platform-support-unix

Reproduction Line:

./gradlew ":x-pack:plugin:inference:test" --tests "org.elasticsearch.xpack.inference.registry.ModelRegistryMetadataTests.testAlreadyUpgraded" -Dtests.seed=68482702E60D912A -Dtests.locale=he -Dtests.timezone=US/Pacific -Druntime.java=24

Applicable branches:
8.x

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

junit.framework.AssertionFailedError: Expected exception IllegalArgumentException but no exception was thrown

Issue Reasons:

• [8.x] 5 failures in test testAlreadyUpgraded (1.1% fail rate in 445 executions)
• [8.x] 2 failures in step part2 (3.7% fail rate in 54 executions)
• [8.x] 2 failures in pipeline elasticsearch-intake (3.7% fail rate in 54 executions)
• [8.x] 2 failures in pipeline elasticsearch-periodic-platform-support (22.2% fail rate in 9 executions)

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

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 6 failures in test testAlreadyUpgraded (1.6% fail rate in 374 executions)
• [main] 5 failures in step part-2 (2.9% fail rate in 173 executions)
• [main] 5 failures in pipeline elasticsearch-pull-request (3.0% fail rate in 169 executions)

Build Scans:

• elasticsearch-periodic #7223 / encryption-at-rest
• elasticsearch-pull-request #64475 / part-2
• elasticsearch-pull-request #64439 / part-2
• elasticsearch-pull-request #63666 / part-2
• elasticsearch-pull-request #63528 / part-2
• elasticsearch-pull-request #63401 / part-2

[elasticsearchmachine]

Pinging @elastic/ml-core (Team:ML)

[elasticsearchmachine]

This has been muted on branch 8.x

Mute Reasons:

• [8.x] 5 failures in test testAlreadyUpgraded (1.1% fail rate in 445 executions)
• [8.x] 2 failures in step part2 (3.7% fail rate in 54 executions)
• [8.x] 2 failures in pipeline elasticsearch-intake (3.7% fail rate in 54 executions)
• [8.x] 2 failures in pipeline elasticsearch-periodic-platform-support (22.2% fail rate in 9 executions)

Build Scans:

• elasticsearch-intake #20922 / part2
• elasticsearch-intake #20784 / part2
• elasticsearch-periodic-platform-support #7250 / ubuntu-2404_platform-support-unix
• elasticsearch-periodic-platform-support #7250 / almalinux-8_platform-support-unix
• elasticsearch-periodic-platform-support #7236 / sles-15_platform-support-unix

[Mikep86]

Fixed by #126042