[CI] InferenceCrudIT testGetServicesWithSparseEmbeddingTaskType failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #4659 / release-tests
• elasticsearch-periodic #4654 / release-tests
• elasticsearch-periodic #4649 / release-tests

Reproduction Line:

./gradlew ":x-pack:plugin:inference:qa:inference-service-tests:javaRestTest" --tests "org.elasticsearch.xpack.inference.InferenceCrudIT.testGetServicesWithSparseEmbeddingTaskType" -Dtests.seed=85B2F5D688B4BF21 -Dbuild.snapshot=false -Dtests.jvm.argline="-Dbuild.snapshot=false" -Dlicense.key=x-pack/license-tools/src/test/resources/public.key -Dtests.locale=az-Cyrl-AZ -Dtests.timezone=America/Panama -Druntime.java=23

Applicable branches: main

Reproduces locally?: N/A

Failure History: See dashboard

Failure Message:

java.lang.AssertionError: 
Expected: <6>
     but: was <5>

Issue Reasons:

• [main] 3 consecutive failures in step release-tests
• [main] 3 failures in test testGetServicesWithSparseEmbeddingTaskType (2.4% fail rate in 123 executions)
• [main] 3 failures in step release-tests (100.0% fail rate in 3 executions)
• [main] 3 failures in pipeline elasticsearch-periodic (100.0% fail rate in 3 executions)

Note: This issue was created using new test triage automation. Please report issues or feedback to es-delivery.

[elasticsearchmachine]

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