[CI] TemporaryDirectoryConfigTests test21AcceptsCustomPathInDocker failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic-packaging #7932 / oraclelinux-8_packaging-tests-unix
• elasticsearch-periodic-packaging #7920 / ubuntu-1804_packaging-tests-unix

Reproduction Line:

null

Applicable branches:
8.17

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: Failed to check whether Elasticsearch had started. This could be because authentication isn't working properly. Check the container logs

Issue Reasons:

• [8.17] 2 failures in test test21AcceptsCustomPathInDocker (1.3% fail rate in 154 executions)
• [8.17] 2 failures in pipeline elasticsearch-periodic-packaging (50.0% fail rate in 4 executions)

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

[elasticsearchmachine]

Pinging @elastic/es-delivery (Team:Delivery)