[CI] ScoreTests testSerializationOfSimple {TestCase=<boolean>} failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #9384 / release-tests
• elasticsearch-pull-request #81067 / checkpart3_release-tests

Reproduction Line:

./gradlew ":x-pack:plugin:esql:test" --tests "org.elasticsearch.xpack.esql.expression.function.fulltext.ScoreTests.testLiteralExpressions {TestCase=<boolean>}" -Dtests.seed=6D52917543CFDE20 -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dlicense.key=x-pack/license-tools/src/test/resources/public.key -Dtests.locale=es-SV -Dtests.timezone=Asia/Manila -Druntime.java=24

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Unknown NamedWriteable [org.elasticsearch.xpack.esql.core.expression.Expression][score]

Issue Reasons:

• [main] 2 failures in test testSerializationOfSimple {TestCase=} (1.6% fail rate in 124 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 testSerializationOfSimple {TestCase=} (1.6% fail rate in 124 executions)

Build Scans:

• elasticsearch-periodic #9384 / release-tests
• elasticsearch-pull-request #81067 / checkpart3_release-tests