[CI] RcsCcsCommonYamlTestSuiteIT test {p0=search.retrievers/result-diversification/10_mmr_result_diversification_retriever/Test MMR result diversification single index float type} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #11529 / windows-2022_checkpart6_platform-support-windows
• elasticsearch-pull-request #108189 / part-6
• elasticsearch-pull-request #108178 / part-6
• elasticsearch-pull-request #108139 / part-6
• elasticsearch-pull-request #108038 / part-6
• elasticsearch-pull-request #107706 / part-6

Reproduction Line:

gradlew ":qa:ccs-common-rest:yamlRestTest" --tests "org.elasticsearch.test.rest.yaml.RcsCcsCommonYamlTestSuiteIT" -Dtests.method="test {p0=search.retrievers/result-diversification/10_mmr_result_diversification_retriever/Test MMR result diversification single index float type}" -Dtests.seed=A9CEA8CE947DE67E -Dtests.locale=sc-IT -Dtests.timezone=Africa/Douala -Druntime.java=25

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: org.junit.internal.runners.model.MultipleFailureException: There were 4 errors:
  java.lang.AssertionError(
Expected: "sixth text"
     but: was "ninth text")
  java.lang.AssertionError(
Expected: "ninth text"
     but: was "sixth text")
  java.lang.AssertionError(
Expected: "sixth text"
     but: was "ninth text")
  java.lang.AssertionError(
Expected: "ninth text"
     but: was "sixth text")

Issue Reasons:

• [main] 6 failures in test test {p0=search.retrievers/result-diversification/10_mmr_result_diversification_retriever/Test MMR result diversification single index float type} (1.0% fail rate in 582 executions)
• [main] 5 failures in step part-6 (1.6% fail rate in 316 executions)
• [main] 5 failures in pipeline elasticsearch-pull-request (1.5% fail rate in 324 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 test {p0=search.retrievers/result-diversification/10_mmr_result_diversification_retriever/Test MMR result diversification single index float type} (1.0% fail rate in 582 executions)
• [main] 5 failures in step part-6 (1.6% fail rate in 316 executions)
• [main] 5 failures in pipeline elasticsearch-pull-request (1.5% fail rate in 324 executions)

Build Scans:

• elasticsearch-periodic-platform-support #11529 / windows-2022_checkpart6_platform-support-windows
• elasticsearch-pull-request #108189 / part-6
• elasticsearch-pull-request #108178 / part-6
• elasticsearch-pull-request #108139 / part-6
• elasticsearch-pull-request #108038 / part-6
• elasticsearch-pull-request #107706 / part-6

[elasticsearchmachine]

Pinging @elastic/es-search-relevance (Team:Search Relevance)

[elasticsearchmachine]

Pinging @elastic/search-relevance (Team:Search - Relevance)

[john-wagster]

Some of these look legit-ish? We've had so many of these though so far my gut reaction is to say that hopefully this is fixed by: #139107. But I'll keep an eye on this and once the other mutes go in will unmute this to see if it continues to fail.