./gradlew ":x-pack:qa:rolling-upgrade:v9.3.0#twoThirdsUpgradedTest" -Dtests.class="org.elasticsearch.upgrades.UpgradeClusterClientYamlTestSuiteIT" -Dtests.method="test {p0=mixed_cluster/90_ml_data_frame_analytics_crud/Start and stop old regression job}" -Dtests.seed=571047C59853ADFA -Dtests.bwc=true -Dtests.locale=ja-JP-u-ca-japanese-x-lvariant-JP -Dtests.timezone=MET -Druntime.java=25

java.lang.AssertionError: org.junit.internal.runners.model.MultipleFailureException: There were 3 errors:
  java.lang.AssertionError(expected [2xx] status code but api [ml.stop_data_frame_analytics] returned [500 Internal Server Error] [{"error":{"root_cause":[{"type":"illegal_state_exception","reason":"Timed out when waiting for persistent tasks after 1m","stack_trace":"org.elasticsearch.ElasticsearchException$1: Timed out when waiting for persistent tasks after 1m\n\tat org.elasticsearch.server@9.3.0-SNAPSHOT/org.elasticsearch.ElasticsearchException.guessRootCauses(ElasticsearchException.java:797)\n\tat org.elasticsearch.server@9.3.0-SNAPSHOT/org.elasticsearch.ElasticsearchException.generateFailureXContent(ElasticsearchException.java:711)\n\tat org.elasticsearch.server@9.3.0-SNAPSHOT/org.elasticsearch.rest.RestResponse.build(RestResponse.java:202)\n\tat org.elasticsearch.server@9.3.0-SNAPSHOT/org.elasticsearch.rest.RestResponse.<init>(RestResponse.java:161)\n\tat org.elasticsearch.se
[truncated]