[CI] AbstractAuditorTests testRecreateTemplateWhenDeleted failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #10254 / oraclelinux-9_platform-support-unix
• elasticsearch-periodic #10182 / openjdk23_checkpart2_java-matrix

Reproduction Line:

./gradlew ":x-pack:plugin:core:test" --tests "org.elasticsearch.xpack.core.common.notifications.AbstractAuditorTests.testRecreateTemplateWhenDeleted" -Dtests.seed=8AB63626E03B1655 -Dtests.locale=uz-Arab -Dtests.timezone=Asia/Kuching -Druntime.java=24

Applicable branches:
9.0

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

org.mockito.exceptions.verification.TooFewActualInvocations: 
client.execute(
    indices:admin/index_template/put,
    <any>,
    <any>
);
Wanted 2 times:
-> at org.elasticsearch.xpack.core.common.notifications.AbstractAuditorTests.lambda$testRecreateTemplateWhenDeleted$7(AbstractAuditorTests.java:267)
But was 1 time:
-> at org.elasticsearch.client.internal.FilterClient.doExecute(FilterClient.java:56)

Issue Reasons:

• [9.0] 2 failures in test testRecreateTemplateWhenDeleted (0.8% fail rate in 261 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 8.18

Mute Reasons:

• [8.18] 2 failures in test testRecreateTemplateWhenDeleted (1.3% fail rate in 154 executions)

Build Scans:

• elasticsearch-intake #18706 / part2
• elasticsearch-periodic #6569 / openjdk23_checkpart2_java-matrix

[elasticsearchmachine]

Pinging @elastic/es-core-infra (Team:Core/Infra)

[ldematte]

Test was introduced with #121912 routing to ML

[elasticsearchmachine]

Pinging @elastic/ml-core (Team:ML)