[CI] JinaAIEmbeddingsRequestTests testCreateRequest_TaskSettingsInputType failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #7117 / debian-11_platform-support-unix
• elasticsearch-periodic-platform-support #7117 / rhel-7_platform-support-unix
• elasticsearch-periodic-platform-support #7117 / ubuntu-2004-aarch64_checkpart2_platform-support-arm
• elasticsearch-intake #20387 / part2
• elasticsearch-pull-request #63456 / part-2
• elasticsearch-periodic-platform-support #7103 / windows-2022_checkpart2_platform-support-windows
• elasticsearch-pull-request #63433 / part-2
• elasticsearch-pull-request #63392 / part-2

Reproduction Line:

./gradlew ":x-pack:plugin:inference:test" --tests "org.elasticsearch.xpack.inference.external.request.jinaai.JinaAIEmbeddingsRequestTests.testCreateRequest_TaskSettingsInputType" -Dtests.seed=FC2BAE4031007161 -Dtests.locale=zh-Hans-SG -Dtests.timezone=Australia/Yancowinna -Druntime.java=24

Applicable branches:
8.x

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: received invalid input type value [unspecified]

Issue Reasons:

• [8.x] 8 failures in test testCreateRequest_TaskSettingsInputType (7.6% fail rate in 105 executions)
• [8.x] 3 failures in step part-2 (10.7% fail rate in 28 executions)
• [8.x] 2 failures in pipeline elasticsearch-periodic-platform-support (66.7% fail rate in 3 executions)
• [8.x] 3 failures in pipeline elasticsearch-pull-request (11.5% fail rate in 26 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] 2 failures in test testCreateRequest_TaskSettingsInputType (5.6% fail rate in 36 executions)

Build Scans:

• elasticsearch-periodic #7062 / concurrent-search-tests
• elasticsearch-pull-request #63161 / 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 testCreateRequest_TaskSettingsInputType (5.3% fail rate in 94 executions)
• [8.x] 3 failures in step part-2 (11.1% fail rate in 27 executions)
• [8.x] 3 failures in pipeline elasticsearch-pull-request (12.0% fail rate in 25 executions)

Build Scans:

• elasticsearch-intake #20387 / part2
• elasticsearch-pull-request #63456 / part-2
• elasticsearch-periodic-platform-support #7103 / windows-2022_checkpart2_platform-support-windows
• elasticsearch-pull-request #63433 / part-2
• elasticsearch-pull-request #63392 / part-2

[ymao1]

Working on the backport

[ymao1]

Closed with #125152