[CI] SearchTimeoutIT testSuggestTimeoutWithPartialResults failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-platform-support #6452 / oraclelinux-9_platform-support-unix
• elasticsearch-periodic-platform-support #6445 / sles-15_platform-support-unix
• elasticsearch-periodic #6449 / openjdk23_checkpart1_java-matrix
• elasticsearch-periodic-platform-support #6438 / opensuse-leap-15_platform-support-unix
• elasticsearch-periodic-platform-support #6431 / debian-12_platform-support-unix
• elasticsearch-periodic-platform-support #6424 / ubuntu-2204_platform-support-unix
• elasticsearch-periodic #6428 / single-processor-node-tests
• elasticsearch-periodic #6428 / concurrent-search-tests
• elasticsearch-periodic-platform-support #6410 / almalinux-9_platform-support-unix
• elasticsearch-periodic-platform-support #6403 / windows-2022_checkpart1_platform-support-windows

Reproduction Line:

./gradlew ":server:internalClusterTest" --tests "org.elasticsearch.search.SearchTimeoutIT.testSuggestTimeoutWithPartialResults" -Dtests.seed=35ADDD95AEF51C34 -Dtests.locale=sw-TZ -Dtests.timezone=AST -Druntime.java=23

Applicable branches:
9.0

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.Exception: Test abandoned because suite timeout was reached.

Issue Reasons:

• [9.0] 26 failures in test testSuggestTimeoutWithPartialResults (8.1% fail rate in 322 executions)
• [9.0] 2 failures in step oraclelinux-9_platform-support-unix (16.7% fail rate in 12 executions)
• [9.0] 2 failures in step concurrent-search-tests (18.2% fail rate in 11 executions)
• [9.0] 2 failures in step ubuntu-2204_platform-support-unix (18.2% fail rate in 11 executions)
• [9.0] 3 failures in step windows-2022_checkpart1_platform-support-windows (27.3% fail rate in 11 executions)
• [9.0] 2 failures in step sles-15_platform-support-unix (18.2% fail rate in 11 executions)
• [9.0] 2 failures in step part1 (10.5% fail rate in 19 executions)
• [9.0] 11 failures in pipeline elasticsearch-periodic-platform-support (91.7% fail rate in 12 executions)
• [9.0] 2 failures in pipeline elasticsearch-pull-request (9.5% fail rate in 21 executions)
• [9.0] 5 failures in pipeline elasticsearch-periodic (45.5% fail rate in 11 executions)
• [9.0] 2 failures in pipeline elasticsearch-intake (10.5% fail rate in 19 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] 4 failures in test testSuggestTimeoutWithPartialResults (17.4% fail rate in 23 executions)
• [main] 2 failures in step part-1 (13.3% fail rate in 15 executions)
• [main] 2 failures in pipeline elasticsearch-pull-request (13.3% fail rate in 15 executions)

Build Scans:

• elasticsearch-periodic-platform-support #6373 / debian-12_platform-support-unix
• elasticsearch-pull-request #56958 / part-1
• elasticsearch-pull-request #56960 / part-1
• elasticsearch-intake #18036 / part1

[elasticsearchmachine]

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

[elasticsearchmachine]

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