There have been two instances of this today (both in PR builds) that blew up due to an OOME.

**Build scan:**
https://gradle-enterprise.elastic.co/s/ryfsljqpbyjlm/tests/:x-pack:plugin:ml:internalClusterTest/org.elasticsearch.xpack.ml.integration.MlDistributedFailureIT/testClusterWithTwoMlNodes_StopsDatafeed_GivenJobFailsOnReassign

**Reproduction line:**
`./gradlew ':x-pack:plugin:ml:internalClusterTest' --tests "org.elasticsearch.xpack.ml.integration.MlDistributedFailureIT.testClusterWithTwoMlNodes_StopsDatafeed_GivenJobFailsOnReassign" -Dtests.seed=A3E13461A939BDF6 -Dtests.locale=ar-IQ -Dtests.timezone=America/Porto_Velho -Druntime.java=17`

**Applicable branches:**
master

**Reproduces locally?:**
No

**Failure history:**
https://gradle-enterprise.elastic.co/scans/tests?tests.container=org.elasticsearch.xpack.ml.integration.MlDistributedFailureIT&tests.test=testClusterWithTwoMlNodes_StopsDatafeed_GivenJobFailsOnReassign

**Failure excerpt:**
```
java.lang.Exception: Test abandoned because suite timeout was reached.

  at __randomizedtesting.SeedInfo.seed([A3E13461A939BDF6]:0)

```
server/src/test/java/org/elasticsearch/plugins/PluginsServiceTests.java
"elasticsearch.version",
            Version.CURRENT.toString(),
            "java.version",
            System.getProperty("java.specification.version"),
            "classname",
            "test.NonExtensiblePlugin"
        );
        try (InputStream jar = PluginsServiceTests.class.getResourceAsStream("non-extensible-plugin.jar")) {
            Files.copy(jar, nonextensibleDir.resolve("plugin.jar"));
        }
        IllegalStateException e = expectThrows(IllegalStateException.class, () -> newPluginsService(settings));
        assertEquals("Plugin [myplugin] cannot extend non-extensible plugin [nonextensible]", e.getMessage());
    }
    public void testPassingMandatoryPluginCheck() {
        PluginsService.checkMandatoryPlugins(
            Set.of("org.elasticsearch.plugins.PluginsServiceTests$FakePlugin"),
            Set.of("org.elasticsearch.plugins.PluginsServiceTests$FakePlugin")
        );
    }
    public void testFailingMandatoryPluginCheck() {
        IllegalStateException e = expectThrows(
            IllegalStateException.class,
            () -> PluginsService.checkMandatoryPlugins(Set.of(), Set.of("org.elasticsearch.plugins.PluginsServiceTests$FakePlugin"))
        );
        assertEquals(
            "missing mandatory plugins [org.elasticsearch.plugins.PluginsServiceTests$FakePlugin], found plugins []",
            e.getMessage()
        );
    }
    public static class FakePlugin extends Plugin {