[CI] CsvTests test {csv-spec:floats.EqualToMultivalue} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #26861 / part3
• elasticsearch-pull-request #85541 / part-3
• elasticsearch-intake #26848 / part3

Reproduction Line:

./gradlew ":x-pack:plugin:esql:test" --tests "org.elasticsearch.xpack.esql.CsvTests" -Dtests.method="test {csv-spec:floats.EqualToMultivalue}" -Dtests.seed=5B3FBC1679B852B3 -Dtests.locale=pcm-NG -Dtests.timezone=Asia/Bangkok -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 1:24: evaluation of [salary_change == 1.19] failed, treating result as null. Only first 20 failures recorded." but was <missing>
1: expected "Line 1:24: java.lang.IllegalArgumentException: single-value function encountered multi-value" but was <missing>

Issue Reasons:

• [main] 3 failures in test test {csv-spec:floats.EqualToMultivalue} (1.3% fail rate in 238 executions)
• [main] 2 failures in step part3 (3.6% fail rate in 55 executions)
• [main] 2 failures in pipeline elasticsearch-intake (3.6% fail rate in 55 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] 3 failures in test test {csv-spec:floats.EqualToMultivalue} (1.3% fail rate in 238 executions)
• [main] 2 failures in step part3 (3.6% fail rate in 55 executions)
• [main] 2 failures in pipeline elasticsearch-intake (3.6% fail rate in 55 executions)

Build Scans:

• elasticsearch-intake #26861 / part3
• elasticsearch-pull-request #85541 / part-3
• elasticsearch-intake #26848 / part3

[elasticsearchmachine]

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

[idegtiarenko]

Closed by #132843