[CI] GoogleCloudStorageBlobStoreContainerTests testConcurrentWriteBlobAtomicAborted failing

Build Scans:

• elasticsearch-agentic-workflow #1322 / linux_test_ubuntu-2404
• elasticsearch-intake #49052 / part1
• elasticsearch-pull-request #185038 / part-1
• elasticsearch-intake #49052 / part1
• elasticsearch-intake #49051 / part1
• elasticsearch-pull-request #185029 / part-1
• elasticsearch-intake #49051 / part1
• elasticsearch-pull-request #185029 / part-1

Reproduction Line:

./gradlew ":modules:repository-gcs:test" --tests "org.elasticsearch.repositories.gcs.GoogleCloudStorageBlobStoreContainerTests.testConcurrentWriteBlobAtomicAborted" -Dtests.seed=286A3E7835C4EA12 -Dtests.locale=gaa -Dtests.timezone=Europe/Saratov -Druntime.java=27

Applicable branches: main

Reproduces locally?: N/A

Failure History: See dashboard

Failure Message:

org.junit.ComparisonFailure: expected:<[Concurrent multipart operation] failed> but was:<[upload part] failed>

Issue Reasons:

• [main] 1 consecutive failures in step linux_test_ubuntu-2404
• [main] 1 consecutive failures in pipeline elasticsearch-agentic-workflow
• [main] 8 failures in test testConcurrentWriteBlobAtomicAborted (4.6% fail rate in 175 executions)
• [main] 3 failures in step part-1 (2.4% fail rate in 127 executions)
• [main] 4 failures in step part1 (12.9% fail rate in 31 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (1.6% fail rate in 127 executions)
• [main] 2 failures in pipeline elasticsearch-intake (6.9% fail rate in 29 executions)

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