[CI] CsvTests test {csv-spec:string.LengthOfText} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #26868 / part3
• elasticsearch-intake #26858 / part3

Reproduction Line:

./gradlew ":x-pack:plugin:esql:test" --tests "org.elasticsearch.xpack.esql.CsvTests" -Dtests.method="test {csv-spec:string.LengthOfText}" -Dtests.seed=7CA5BC3DBF502D7A -Dtests.locale=es-EA -Dtests.timezone=America/Resolute -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Expected a list containing
0: expected "Line 1:73: evaluation of [length(description)] failed, treating result as null. Only first 20 failures recorded." but was <missing>
1: expected "Line 1:73: java.lang.IllegalArgumentException: single-value function encountered multi-value" but was <missing>

Issue Reasons:

• [main] 2 failures in test test {csv-spec:string.LengthOfText} (0.8% fail rate in 239 executions)
• [main] 2 failures in step part3 (3.4% fail rate in 58 executions)
• [main] 2 failures in pipeline elasticsearch-intake (3.4% fail rate in 58 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 test {csv-spec:string.LengthOfText} (0.8% fail rate in 239 executions)
• [main] 2 failures in step part3 (3.4% fail rate in 58 executions)
• [main] 2 failures in pipeline elasticsearch-intake (3.4% fail rate in 58 executions)

Build Scans:

• elasticsearch-intake #26868 / part3
• elasticsearch-intake #26858 / part3

[elasticsearchmachine]

Pinging @elastic/es-analytical-engine (Team:Analytics)

[idegtiarenko]

Closed by #132843