[CI] SSLErrorMessageFileTests class failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #9667 / openjdk17_checkpart4_java-matrix
• elasticsearch-periodic #9667 / openjdk17_checkpart4_java-fips-matrix
• elasticsearch-periodic #9667 / openjdk21_checkpart4_java-matrix
• elasticsearch-periodic #9667 / graalvm-ce17_checkpart4_java-matrix
• elasticsearch-periodic #9667 / openjdk23_checkpart4_java-matrix
• elasticsearch-periodic #9667 / openjdk22_checkpart4_java-matrix
• elasticsearch-periodic #9660 / openjdk21_checkpart4_java-matrix
• elasticsearch-periodic #9660 / openjdk22_checkpart4_java-matrix
• elasticsearch-periodic #9660 / openjdk17_checkpart4_java-fips-matrix
• elasticsearch-periodic #9660 / openjdk23_checkpart4_java-matrix

Reproduction Line:

./gradlew ":x-pack:plugin:security:test" --tests "org.elasticsearch.xpack.ssl.SSLErrorMessageFileTests.testMessageForCertificateAuthoritiesOutsideConfigDir" -Dtests.seed=86CDCED042C535C0 -Dtests.locale=fr-CA -Dtests.timezone=Pacific/Guadalcanal -Druntime.java=17

Applicable branches:
8.18

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

java.lang.AssertionError: 
Expected: a throwable with message of "failed to load SSL configuration [xpack.http.ssl] - cannot read configured PEM certificate_authorities [/this/path/is/outside/the/config/directory/file.error] because access to read the file is blocked; SSL resources should be placed in the [/dev/shm/bk/bk-agent-prod-gcp-1753792038597641168/elastic/elasticsearch-periodic/x-pack/plugin/security/build/testrun/test/temp/org.elasticsearch.xpack.ssl.SSLErrorMessageFileTests_86CDCED042C535C0-001/tempDir-042/config] directory"
     but: was <org.elasticsearch.ElasticsearchSecurityException: failed to load SSL configuration [xpack.http.ssl] - cannot read configured PEM certificate_authorities [/this/path/is/outside/the/config/directory/file.error] because the file does not exist> at org.elasticsearch.xpack.core.ssl.SSLService.lambda$loadSslConfigurations$11(SSLService.java:622)

Issue Reasons:

• [8.18] 6 consecutive failures in class org.elasticsearch.xpack.ssl.SSLErrorMessageFileTests
• [8.18] 16 consecutive failures in step openjdk17_checkpart4_java-matrix
• [8.18] 16 consecutive failures in step openjdk17_checkpart4_java-fips-matrix
• [8.18] 22 consecutive failures in step openjdk21_checkpart4_java-matrix
• [8.18] 22 consecutive failures in step graalvm-ce17_checkpart4_java-matrix
• [8.18] 22 consecutive failures in step openjdk23_checkpart4_java-matrix
• [8.18] 22 consecutive failures in step openjdk22_checkpart4_java-matrix
• [8.18] 120 failures in class org.elasticsearch.xpack.ssl.SSLErrorMessageFileTests (15.9% fail rate in 757 executions)
• [8.18] 16 failures in step openjdk17_checkpart4_java-matrix (100.0% fail rate in 16 executions)
• [8.18] 16 failures in step openjdk17_checkpart4_java-fips-matrix (100.0% fail rate in 16 executions)
• [8.18] 22 failures in step openjdk21_checkpart4_java-matrix (100.0% fail rate in 22 executions)
• [8.18] 22 failures in step graalvm-ce17_checkpart4_java-matrix (100.0% fail rate in 22 executions)
• [8.18] 22 failures in step openjdk23_checkpart4_java-matrix (100.0% fail rate in 22 executions)
• [8.18] 22 failures in step openjdk22_checkpart4_java-matrix (100.0% fail rate in 22 executions)
• [8.18] 22 failures in pipeline elasticsearch-periodic (100.0% fail rate in 22 executions)

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

[elasticsearchmachine]

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

[ldematte]

#130825 won't fix these tests, as it cannot be backported to 9.0 (the whole entitlement testing infra is missing).
We can only mute (remove?) these tests from 9.0. See #127192

[mosche]

@ankit--sethi as discussed here, let's delete this test