Mute ML upgrade test
It fails fairly frequently. Some ML expert will look soon.
@@ -7,6 +7,8 @@ package org.elasticsearch.upgrades;
import com.carrotsearch.randomizedtesting.annotations.ParametersFactory;
import com.carrotsearch.randomizedtesting.annotations.TimeoutSuite;
+
+import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.TimeUnits;
import org.elasticsearch.Version;
import org.elasticsearch.client.Response;
@@ -32,6 +34,7 @@ import static java.util.Collections.singletonMap;
import static org.hamcrest.Matchers.is;
@TimeoutSuite(millis = 5 * TimeUnits.MINUTE) // to account for slow as hell VMs
+@LuceneTestCase.AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/30456")
public class UpgradeClusterClientYamlTestSuiteIT extends ESClientYamlSuiteTestCase {
/**
