[CI] DatafeedJobsIT testDatafeedTimingStats_DatafeedRecreated failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #11479 / windows-2025_checkpart4_platform-support-windows
• elasticsearch-pull-request #106795 / part-4
• elasticsearch-pull-request #106674 / part-4
• elasticsearch-pull-request #106481 / part-4

Reproduction Line:

gradlew ":x-pack:plugin:ml:qa:native-multi-node-tests:javaRestTest" --tests "org.elasticsearch.xpack.ml.integration.DatafeedJobsIT.testDatafeedTimingStats_DatafeedRecreated" -Dtests.seed=D366092986E7438E -Dtests.locale=fr-MQ -Dtests.timezone=America/Pangnirtung -Druntime.java=25

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: 
Expected: <0L>
     but: was <5L>

Issue Reasons:

• [main] 4 failures in test testDatafeedTimingStats_DatafeedRecreated (1.5% fail rate in 266 executions)
• [main] 3 failures in step part-4 (1.9% fail rate in 162 executions)
• [main] 3 failures in pipeline elasticsearch-pull-request (1.9% fail rate in 160 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 9.2

Mute Reasons:

• [9.2] 4 failures in test testDatafeedTimingStats_DatafeedRecreated (1.8% fail rate in 222 executions)
• [9.2] 2 failures in pipeline elasticsearch-periodic-platform-support (33.3% fail rate in 6 executions)

Build Scans:

• elasticsearch-intake #31425 / part4
• elasticsearch-periodic-platform-support #11428 / ubuntu-2404-aarch64_checkpart4_platform-support-arm
• elasticsearch-periodic-platform-support #11428 / almalinux-8-aarch64_checkpart4_platform-support-arm
• elasticsearch-periodic-platform-support #11412 / windows-2022_checkpart4_platform-support-windows

[elasticsearchmachine]

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

[DonalEvans]

This issue is the same as #137207. Previous attempts to fix this issue by adding an assertBusy() call around the failing assertion and increasing the duration of the timeout on that assert did not solve the issue like I thought they would, so further investigation is needed.

[elasticsearchmachine]

This has been muted on branch main

Mute Reasons:

• [main] 4 failures in test testDatafeedTimingStats_DatafeedRecreated (1.5% fail rate in 266 executions)
• [main] 3 failures in step part-4 (1.9% fail rate in 162 executions)
• [main] 3 failures in pipeline elasticsearch-pull-request (1.9% fail rate in 160 executions)

Build Scans:

• elasticsearch-periodic-platform-support #11479 / windows-2025_checkpart4_platform-support-windows
• elasticsearch-pull-request #106795 / part-4
• elasticsearch-pull-request #106674 / part-4
• elasticsearch-pull-request #106481 / part-4