[CI] TSDBIndexingIT testTsdbTemplatesNoKeywordFieldType failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #10761 / release-tests
• elasticsearch-periodic #10755 / release-tests

Reproduction Line:

./gradlew ":modules:data-streams:internalClusterTest" --tests "org.elasticsearch.datastreams.TSDBIndexingIT.testTsdbTemplatesNoKeywordFieldType" -Dtests.seed=4406F782B3F171F9 -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dlicense.key=x-pack/license-tools/src/test/resources/public.key -Dtests.locale=ce -Dtests.timezone=Africa/Niamey -Druntime.java=25

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

org.elasticsearch.indices.InvalidIndexTemplateException: index_template [id] invalid, cause [Validation Failed: 1: [index.mode=time_series] requires a non-empty [index.routing_path];]

Issue Reasons:

• [main] 2 consecutive failures in step release-tests
• [main] 2 failures in test testTsdbTemplatesNoKeywordFieldType (1.9% fail rate in 105 executions)
• [main] 2 failures in step release-tests (40.0% fail rate in 5 executions)
• [main] 2 failures in pipeline elasticsearch-periodic (50.0% fail rate in 4 executions)

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

[elasticsearchmachine]

Pinging @elastic/es-storage-engine (Team:StorageEngine)

[felixbarny]

Found the issue. Fix is in flight.