[CI] YamlRestTestPluginFuncTest yamlRestTest does nothing when there are no tests failing

[elasticsearchmachine]

Build Scans:

• elasticsearch-intake #23405 / part1
• elasticsearch-pull-request #73207 / part-1
• elasticsearch-intake #23403 / part1

Reproduction Line:

null

Applicable branches:
8.19

Reproduces locally?:
N/A

Failure History:
See dashboard

Failure Message:

org.gradle.testkit.runner.UnexpectedBuildFailure: Unexpected build execution failure in /tmp/junit1388570831043055348 with arguments [yamlRestTest, --full-stacktrace, -Dtest.external=true]

Output:
> Task :compileYamlRestTestJava NO-SOURCE
> Task :copyRestTestSpecs FAILED

FAILURE: Build failed with an exception.

* What went wrong:
Execution failed for task ':copyRestTestSpecs'.
> Could not resolve all files for configuration ':restTestSpecs'.
   > Could not resolve org.elasticsearch:rest-api-spec:7.14.0.
     Required by:
         root project :
      > Could not resolve org.elasticsearch:rest-api-spec:7.14.0.
         > Could not get resource 'https://repo.maven.apache.org/maven2/org/elasticsearch/rest-api-spec/7.14.0/rest-api-spec-7.14.0.module'.
            > Could not GET 'https://repo.maven.apache.org/maven2/org/elasticsearch/rest-api-spec/7.14.0/rest-api-spec-7.14.0.module'. Received status code 403 from server: Forbidden

* Try:
> Run with --info or --debug option to get more 
[truncated]

Issue Reasons:

• [8.19] 3 consecutive failures in test yamlRestTest does nothing when there are no tests
• [8.19] 2 consecutive failures in step part1
• [8.19] 2 consecutive failures in pipeline elasticsearch-intake
• [8.19] 3 failures in test yamlRestTest does nothing when there are no tests (23.1% fail rate in 13 executions)
• [8.19] 2 failures in step part1 (100.0% fail rate in 2 executions)
• [8.19] 2 failures in pipeline elasticsearch-intake (100.0% fail rate in 2 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)