[CI] ESNextDiskBBQVectorsFormatTests testSparseVectors failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #11793 / encryption-at-rest
• elasticsearch-pull-request #116371 / part-1
• elasticsearch-pull-request #116110 / part-1

Reproduction Line:

null

Applicable branches:
main

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: null

Issue Reasons:

• [main] 3 failures in test testSparseVectors (0.8% fail rate in 366 executions)
• [main] 2 failures in step part-1 (1.1% fail rate in 189 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (1.1% fail rate in 187 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 testSparseVectors (0.8% fail rate in 366 executions)
• [main] 2 failures in step part-1 (1.1% fail rate in 189 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (1.1% fail rate in 187 executions)

Build Scans:

• elasticsearch-periodic #11793 / encryption-at-rest
• elasticsearch-pull-request #116371 / part-1
• elasticsearch-pull-request #116110 / part-1

[elasticsearchmachine]

Pinging @elastic/es-search-relevance (Team:Search Relevance)

[thecoop]

See #141254