[CI] SSLErrorMessageFileTests testMessageForPemCertificateOutsideConfigDir failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-periodic #8006 / openjdk21_entitlements_false_checkpart4_java-matrix
• elasticsearch-periodic #8006 / openjdk21_checkpart4_java-fips-matrix
• elasticsearch-periodic #8000 / openjdk21_entitlements_false_checkpart4_java-matrix
• elasticsearch-periodic #8000 / openjdk23_entitlements_true_checkpart4_java-matrix
• elasticsearch-periodic #8000 / openjdk21_entitlements_true_checkpart4_java-matrix
• elasticsearch-periodic #8000 / openjdk21_checkpart4_java-fips-matrix
• elasticsearch-periodic #8000 / openjdk23_entitlements_false_checkpart4_java-matrix
• elasticsearch-periodic #7994 / openjdk23_entitlements_true_checkpart4_java-matrix
• elasticsearch-periodic #7994 / openjdk21_entitlements_true_checkpart4_java-matrix
• elasticsearch-periodic #7994 / openjdk23_entitlements_false_checkpart4_java-matrix

Reproduction Line:

./gradlew ":x-pack:plugin:security:test" --tests "org.elasticsearch.xpack.ssl.SSLErrorMessageFileTests.testMessageForPemCertificateOutsideConfigDir" -Dtests.seed=F4803D4D4824F6ED -Dtests.jvm.argline="-Des.entitlements.enabled=false" -Dtests.locale=fr-MU -Dtests.timezone=Europe/Kirov -Druntime.java=21

Applicable branches:
main

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.security.transport.ssl] - cannot read configured PEM certificate [/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-1746363526853960197/elastic/elasticsearch-periodic/x-pack/plugin/security/build/testrun/test/temp/org.elasticsearch.xpack.ssl.SSLErrorMessageFileTests_F4803D4D4824F6ED-001/tempDir-073/config] directory"
     but: was <org.elasticsearch.ElasticsearchSecurityException: failed to load SSL configuration [xpack.security.transport.ssl] - cannot read configured PEM certificate [/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:

• [main] 86 consecutive failures in test testMessageForPemCertificateOutsideConfigDir
• [main] 18 consecutive failures in step openjdk21_entitlements_false_checkpart4_java-matrix
• [main] 17 consecutive failures in step openjdk21_checkpart4_java-fips-matrix
• [main] 17 consecutive failures in step openjdk23_entitlements_true_checkpart4_java-matrix
• [main] 17 consecutive failures in step openjdk21_entitlements_true_checkpart4_java-matrix
• [main] 17 consecutive failures in step openjdk23_entitlements_false_checkpart4_java-matrix
• [main] 18 consecutive failures in pipeline elasticsearch-periodic
• [main] 86 failures in test testMessageForPemCertificateOutsideConfigDir (100.0% fail rate in 86 executions)
• [main] 18 failures in step openjdk21_entitlements_false_checkpart4_java-matrix (100.0% fail rate in 18 executions)
• [main] 17 failures in step openjdk21_checkpart4_java-fips-matrix (100.0% fail rate in 17 executions)
• [main] 17 failures in step openjdk23_entitlements_true_checkpart4_java-matrix (100.0% fail rate in 17 executions)
• [main] 17 failures in step openjdk21_entitlements_true_checkpart4_java-matrix (100.0% fail rate in 17 executions)
• [main] 17 failures in step openjdk23_entitlements_false_checkpart4_java-matrix (100.0% fail rate in 17 executions)
• [main] 18 failures in pipeline elasticsearch-periodic (100.0% fail rate in 18 executions)

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

[elasticsearchmachine]

Pinging @elastic/es-security (Team:Security)